40043332 has 12 divisors (see below), whose sum is σ = 80086720. Its totient is φ = 17161416.

The previous prime is 40043329. The next prime is 40043357. The reversal of 40043332 is 23334004.

40043332 is an admirable number.

It is a super-4 number, since 4×40043332⁴ (a number of 32 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715032 + ... + 715087.

Almost surely, 2^40043332 is an apocalyptic number.

It is an amenable number.

40043332 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40043332 is a wasteful number, since it uses less digits than its factorization.

40043332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430130 (or 1430128 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 19.

The square root of 40043332 is about 6327.9800884642. The cubic root of 40043332 is about 342.1186392312.

Adding to 40043332 its reverse (23334004), we get a palindrome (63377336).

The spelling of 40043332 in words is "forty million, forty-three thousand, three hundred thirty-two".