[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Type](https://evolu.dev/docs/api-reference/common/Type) › NegativeNumber

```ts
type NegativeNumber = number & Brand<"NonPositive"> & Brand<"Negative">;
```

Defined in: [packages/common/src/Type.ts:6460](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Type.ts#L6460)

Negative [Number](https://evolu.dev/docs/api-reference/common/Type/variables/Number).

Also satisfies [NonPositiveNumber](https://evolu.dev/docs/api-reference/common/Type/variables/NonPositiveNumber), so it can be used wherever a
non-positive number is required.