5264656520 has 32 divisors (see below), whose sum is σ = 12253944600. Its totient is φ = 2033246208.

The previous prime is 5264656513. The next prime is 5264656541. The reversal of 5264656520 is 256564625.

It can be written as a sum of positive squares in 4 ways, for example, as 4877904964 + 386751556 = 69842^2 + 19666^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2268089 + ... + 2270408.

Almost surely, 2^5264656520 is an apocalyptic number.

It is an amenable number.

5264656520 is an abundant number, since it is smaller than the sum of its proper divisors (6989288080).

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

5264656520 is a wasteful number, since it uses less digits than its factorization.

5264656520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4538537 (or 4538533 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The square root of 5264656520 is about 72557.9528377145. The cubic root of 5264656520 is about 1739.6291674609.

The spelling of 5264656520 in words is "five billion, two hundred sixty-four million, six hundred fifty-six thousand, five hundred twenty".