40879264 has 12 divisors (see below), whose sum is σ = 80481114. Its totient is φ = 20439616.

The previous prime is 40879253. The next prime is 40879301. The reversal of 40879264 is 46297804.

It can be written as a sum of positive squares in only one way, i.e., 27248400 + 13630864 = 5220^2 + 3692^2 .

It is a super-2 number, since 2×40879264² = 3342228450363392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 638707 + ... + 638770.

Almost surely, 2^40879264 is an apocalyptic number.

It is an amenable number.

40879264 is a deficient number, since it is larger than the sum of its proper divisors (39601850).

40879264 is a wasteful number, since it uses less digits than its factorization.

40879264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277487 (or 1277479 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 40879264 is about 6393.6893887645. The cubic root of 40879264 is about 344.4829164875.

The spelling of 40879264 in words is "forty million, eight hundred seventy-nine thousand, two hundred sixty-four".