Q: What is the negative version of the number 216,561,440?
A: -216,561,440
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:
| 216,561,438 | 216,561,439 | 216,561,441 | 216,561,442 |
| -216,561,438 | -216,561,439 | -216,561,441 | -216,561,442 |