431257264 has 20 divisors (see below), whose sum is σ = 835962120. Its totient is φ = 215525120.

The previous prime is 431257223. The next prime is 431257313. The reversal of 431257264 is 462752134.

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, 36579 + ... + 46909.

It is an arithmetic number, because the mean of its divisors is an integer number (41798106).

Almost surely, 2^431257264 is an apocalyptic number.

It is an amenable number.

431257264 is a deficient number, since it is larger than the sum of its proper divisors (404704856).

431257264 is a wasteful number, since it uses less digits than its factorization.

431257264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12948 (or 12942 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 431257264 is about 20766.7345531261. The cubic root of 431257264 is about 755.5191458938.

The spelling of 431257264 in words is "four hundred thirty-one million, two hundred fifty-seven thousand, two hundred sixty-four".