Q: What is the negative version of the number 644,426,416?
A: -644,426,416
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:
| 644,426,414 | 644,426,415 | 644,426,417 | 644,426,418 |
| -644,426,414 | -644,426,415 | -644,426,417 | -644,426,418 |