431215264 has 12 divisors (see below), whose sum is σ = 848955114. Its totient is φ = 215607616.

The previous prime is 431215249. The next prime is 431215273. The reversal of 431215264 is 462512134.

It can be written as a sum of positive squares in only one way, i.e., 320123664 + 111091600 = 17892^2 + 10540^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737707 + ... + 6737770.

Almost surely, 2^431215264 is an apocalyptic number.

It is an amenable number.

431215264 is a deficient number, since it is larger than the sum of its proper divisors (417739850).

431215264 is a wasteful number, since it uses less digits than its factorization.

431215264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13475487 (or 13475479 counting only the distinct ones).

The product of its digits is 5760, while the sum is 28.

The square root of 431215264 is about 20765.7232958546. The cubic root of 431215264 is about 755.4946185123.

Adding to 431215264 its reverse (462512134), we get a palindrome (893727398).

The spelling of 431215264 in words is "four hundred thirty-one million, two hundred fifteen thousand, two hundred sixty-four".