5256666264 has 64 divisors (see below), whose sum is σ = 13294274400. Its totient is φ = 1731953664.

The previous prime is 5256666251. The next prime is 5256666343. The reversal of 5256666264 is 4626666525.

It is a super-2 number, since 2×5256666264² = 55265080422151435392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193314 + ... + 1197710.

Almost surely, 2^5256666264 is an apocalyptic number.

It is an amenable number.

5256666264 is an abundant number, since it is smaller than the sum of its proper divisors (8037608136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5256666264 is a wasteful number, since it uses less digits than its factorization.

5256666264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4972 (or 4968 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

The square root of 5256666264 is about 72502.8707293718. The cubic root of 5256666264 is about 1738.7486338874.

The spelling of 5256666264 in words is "five billion, two hundred fifty-six million, six hundred sixty-six thousand, two hundred sixty-four".