40 (nombor)
| ||||
|---|---|---|---|---|
| Kardinal | empat puluh | |||
| Ordinal | ke-40 (keempat puluh) | |||
| Pemfaktoran | 23 × 5 | |||
| Pembahagi | 1, 2, 4, 5, 8, 10, 20, 40 | |||
| Angka Rumi | XL | |||
| Awalan Latin | quadrage- | |||
| Perduaan | 1010002 | |||
| Pertigaan | 11113 | |||
| Kuarterner | 2204 | |||
| Perlimaan | 1305 | |||
| Perenaman | 1046 | |||
| Perlapanan | 508 | |||
| Perduabelasan | 3412 | |||
| Perenambelasan | 2816 | |||
| Perduapuluhan | 2020 | |||
| Asas 36 | 1436 | |||
| Armenia | Խ | |||
| Ibrani | מ / ם | |||
| Nombor Babylon | 𒐏 | |||
| Hieroglid Mesir | 𓎉 | |||