522464004656 has 120 divisors (see below), whose sum is σ = 1121847520080. Its totient is φ = 235529648640.

The previous prime is 522464004619. The next prime is 522464004697. The reversal of 522464004656 is 656400464225.

It is a super-2 number, since 2×522464004656² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205774235 + ... + 205776773.

It is an arithmetic number, because the mean of its divisors is an integer number (9348729334).

Almost surely, 2^522464004656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522464004656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (560923760040).

522464004656 is an abundant number, since it is smaller than the sum of its proper divisors (599383515424).

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

522464004656 is a wasteful number, since it uses less digits than its factorization.

522464004656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3403 (or 3386 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 522464004656 in words is "five hundred twenty-two billion, four hundred sixty-four million, four thousand, six hundred fifty-six".