> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/sidef-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/sidef-lang/programming_tasks/n/number_names.md).

# Number names

```ruby
var l = frequire('Lingua::EN::Numbers')
say l.num2en(123456789)
```

#### Output:

```
one hundred and twenty-three million, four hundred and fifty-six thousand, seven hundred and eighty-nine
```