264879538 has 32 divisors (see below), whose sum is σ = 500198400. Its totient is φ = 102191760.

The previous prime is 264879529. The next prime is 264879539. The reversal of 264879538 is 835978462.

It is a super-2 number, since 2×264879538² = 140322339302186888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (264879539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7513 + ... + 24211.

It is an arithmetic number, because the mean of its divisors is an integer number (15631200).

Almost surely, 2^264879538 is an apocalyptic number.

264879538 is a deficient number, since it is larger than the sum of its proper divisors (235318862).

264879538 is a wasteful number, since it uses less digits than its factorization.

264879538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16822.

The product of its digits is 2903040, while the sum is 52.

The square root of 264879538 is about 16275.1202146098. The cubic root of 264879538 is about 642.2184875022.

The spelling of 264879538 in words is "two hundred sixty-four million, eight hundred seventy-nine thousand, five hundred thirty-eight".