40 (alƙalami)

← 39 40 41 →
← 40 41 42 43 44 45 46 47 48 49 → ← 0 10 20 30 40 50 60 70 80 90 →
Cardinal	arba’in
Factorization (en)	23 × 5
Greek numeral	Μ´
Roman numeral	XL
Binary	1010002
Ternary	11113
Octal (en)	508
Duodecimal system (en)	3412
Hexadecimal (en)	2816

40 (arbaʼin) alƙalami ne, tsakanin 39 da 41.