Q: What is the negative version of the number 40,000,640?
A: -40,000,640
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:
| 40,000,638 | 40,000,639 | 40,000,641 | 40,000,642 |
| -40,000,638 | -40,000,639 | -40,000,641 | -40,000,642 |