320152432 has 40 divisors (see below), whose sum is σ = 691362000. Its totient is φ = 142728192.

The previous prime is 320152429. The next prime is 320152447. The reversal of 320152432 is 234251023.

It is a congruent number.

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, 25807 + ... + 36142.

It is an arithmetic number, because the mean of its divisors is an integer number (17284050).

Almost surely, 2^320152432 is an apocalyptic number.

It is an amenable number.

320152432 is an abundant number, since it is smaller than the sum of its proper divisors (371209568).

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

320152432 is a wasteful number, since it uses less digits than its factorization.

320152432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61993 (or 61987 counting only the distinct ones).

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

The square root of 320152432 is about 17892.8039166588. The cubic root of 320152432 is about 684.0989677027.

The spelling of 320152432 in words is "three hundred twenty million, one hundred fifty-two thousand, four hundred thirty-two".