Q: What is the negative version of the number 64,640,000?
A: -64,640,000
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 64,639,998 | 64,639,999 | 64,640,001 | 64,640,002 |
| -64,639,998 | -64,639,999 | -64,640,001 | -64,640,002 |