40315332 has 24 divisors (see below), whose sum is σ = 94331776. Its totient is φ = 13400928.

The previous prime is 40315277. The next prime is 40315391. The reversal of 40315332 is 23351304.

It is a junction number, because it is equal to n+sod(n) for n = 40315299 and 40315308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28 + ... + 8979.

Almost surely, 2^40315332 is an apocalyptic number.

It is an amenable number.

40315332 is an abundant number, since it is smaller than the sum of its proper divisors (54016444).

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

40315332 is a wasteful number, since it uses less digits than its factorization.

40315332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9387 (or 9385 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 40315332 is about 6349.4355654656. The cubic root of 40315332 is about 342.8915216519.

Adding to 40315332 its reverse (23351304), we get a palindrome (63666636).

The spelling of 40315332 in words is "forty million, three hundred fifteen thousand, three hundred thirty-two".