The number 4,636,440 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 53 54 60 72 81 90 106 108 120 135 159 162 180 212 216 243 265 270 318 324 360 405 424 477 486 530 540 636 648 729 795 810 954 972 1,060 1,080 1,215 1,272 1,431 1,458 1,590 1,620 1,908 1,944 2,120 2,187 2,385 2,430 2,862 2,916 3,180 3,240 3,645 3,816 4,293 4,374 4,770 4,860 5,724 5,832 6,360 7,155 7,290 8,586 8,748 9,540 9,720 10,935 11,448 12,879 14,310 14,580 17,172 17,496 19,080 21,465 21,870 25,758 28,620 29,160 34,344 38,637 42,930 43,740 51,516 57,240 64,395 77,274 85,860 87,480 103,032 115,911 128,790 154,548 171,720 193,185 231,822 257,580 309,096 386,370 463,644 515,160 579,555 772,740 927,288 1,159,110 1,545,480 2,318,220 and 4,636,440, with no remainder.
Since 4,636,440 cannot be divided by just 1 and 4,636,440, it is a composite number.