Q: What is the negative version of the number 664,135,440?
A: -664,135,440
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:
| 664,135,438 | 664,135,439 | 664,135,441 | 664,135,442 |
| -664,135,438 | -664,135,439 | -664,135,441 | -664,135,442 |