402132332 has 24 divisors (see below), whose sum is σ = 807883776. Its totient is φ = 171566928.

The previous prime is 402132319. The next prime is 402132347. The reversal of 402132332 is 233231204.

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, 25958 + ... + 38445.

It is an arithmetic number, because the mean of its divisors is an integer number (33661824).

Almost surely, 2^402132332 is an apocalyptic number.

It is an amenable number.

402132332 is an abundant number, since it is smaller than the sum of its proper divisors (405751444).

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

402132332 is a wasteful number, since it uses less digits than its factorization.

402132332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64637 (or 64635 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 402132332 is about 20053.2374443629. The cubic root of 402132332 is about 738.1132431498.

Adding to 402132332 its reverse (233231204), we get a palindrome (635363536).

The spelling of 402132332 in words is "four hundred two million, one hundred thirty-two thousand, three hundred thirty-two".