320057432 has 16 divisors (see below), whose sum is σ = 631692600. Its totient is φ = 151606080.

The previous prime is 320057431. The next prime is 320057449. The reversal of 320057432 is 234750023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320057431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052669 + ... + 1052972.

Almost surely, 2^320057432 is an apocalyptic number.

It is an amenable number.

320057432 is a deficient number, since it is larger than the sum of its proper divisors (311635168).

320057432 is a wasteful number, since it uses less digits than its factorization.

320057432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2105666 (or 2105662 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 320057432 is about 17890.1490211792. The cubic root of 320057432 is about 684.0312959473.

The spelling of 320057432 in words is "three hundred twenty million, fifty-seven thousand, four hundred thirty-two".