264562643252 has 24 divisors (see below), whose sum is σ = 469821602880. Its totient is φ = 130330408320.

The previous prime is 264562643227. The next prime is 264562643297. The reversal of 264562643252 is 252346265462.

It is a super-2 number, since 2×264562643252² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264562643197 and 264562643206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110063 + ... + 735689.

It is an arithmetic number, because the mean of its divisors is an integer number (19575900120).

Almost surely, 2^264562643252 is an apocalyptic number.

It is an amenable number.

264562643252 is a deficient number, since it is larger than the sum of its proper divisors (205258959628).

264562643252 is a wasteful number, since it uses less digits than its factorization.

264562643252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627191 (or 627189 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 47.

The spelling of 264562643252 in words is "two hundred sixty-four billion, five hundred sixty-two million, six hundred forty-three thousand, two hundred fifty-two".