402032432 has 10 divisors (see below), whose sum is σ = 778937868. Its totient is φ = 201016208.

The previous prime is 402032377. The next prime is 402032441. The reversal of 402032432 is 234230204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12563498 + ... + 12563529.

Almost surely, 2^402032432 is an apocalyptic number.

It is an amenable number.

402032432 is a deficient number, since it is larger than the sum of its proper divisors (376905436).

402032432 is a wasteful number, since it uses less digits than its factorization.

402032432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25127035 (or 25127029 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 402032432 is about 20050.7464200214. The cubic root of 402032432 is about 738.0521159916.

Adding to 402032432 its reverse (234230204), we get a palindrome (636262636).

The spelling of 402032432 in words is "four hundred two million, thirty-two thousand, four hundred thirty-two".