40315432 has 16 divisors (see below), whose sum is σ = 80038260. Its totient is φ = 18971904.

The previous prime is 40315417. The next prime is 40315453. The reversal of 40315432 is 23451304.

It can be written as a sum of positive squares in 2 ways, for example, as 39262756 + 1052676 = 6266^2 + 1026^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148083 + ... + 148354.

Almost surely, 2^40315432 is an apocalyptic number.

It is an amenable number.

40315432 is a deficient number, since it is larger than the sum of its proper divisors (39722828).

40315432 is a wasteful number, since it uses less digits than its factorization.

40315432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296460 (or 296456 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40315432 is about 6349.4434401765. The cubic root of 40315432 is about 342.8918051596.

Adding to 40315432 its reverse (23451304), we get a palindrome (63766736).

The spelling of 40315432 in words is "forty million, three hundred fifteen thousand, four hundred thirty-two".