656264045034 has 128 divisors (see below), whose sum is σ = 1613963554560. Its totient is φ = 196351776000.

The previous prime is 656264045023. The next prime is 656264045051. The reversal of 656264045034 is 430540462656.

It is a happy number.

656264045034 is a `hidden beast` number, since 6 + 562 + 6 + 4 + 0 + 4 + 50 + 34 = 666.

It is a super-2 number, since 2×656264045034² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 49369929 + ... + 49383219.

It is an arithmetic number, because the mean of its divisors is an integer number (12609090270).

Almost surely, 2^656264045034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656264045034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (806981777280).

656264045034 is an abundant number, since it is smaller than the sum of its proper divisors (957699509526).

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

656264045034 is a wasteful number, since it uses less digits than its factorization.

656264045034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15253 (or 15247 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 656264045034 in words is "six hundred fifty-six billion, two hundred sixty-four million, forty-five thousand, thirty-four".