36640432 has 20 divisors (see below), whose sum is σ = 71160376. Its totient is φ = 18276480.

The previous prime is 36640399. The next prime is 36640447. The reversal of 36640432 is 23404663.

It is a self number, because there is not a number n which added to its sum of digits gives 36640432.

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, 4807 + ... + 9817.

Almost surely, 2^36640432 is an apocalyptic number.

It is an amenable number.

36640432 is a deficient number, since it is larger than the sum of its proper divisors (34519944).

36640432 is a wasteful number, since it uses less digits than its factorization.

36640432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5476 (or 5470 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 36640432 is about 6053.1340642679. The cubic root of 36640432 is about 332.1392457948.

The spelling of 36640432 in words is "thirty-six million, six hundred forty thousand, four hundred thirty-two".