2256650652564 has 144 divisors (see below), whose sum is σ = 7177116186240. Its totient is φ = 580765489920.

The previous prime is 2256650652539. The next prime is 2256650652643. The reversal of 2256650652564 is 4652560566522.

2256650652564 is a `hidden beast` number, since 2 + 2 + 5 + 6 + 6 + 50 + 6 + 525 + 64 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2256650652564.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3432199 + ... + 4036494.

Almost surely, 2^{2256650652564} is an apocalyptic number.

It is an amenable number.

2256650652564 is an abundant number, since it is smaller than the sum of its proper divisors (4920465533676).

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

2256650652564 is a wasteful number, since it uses less digits than its factorization.

2256650652564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7468830 (or 7468825 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 54.

The spelling of 2256650652564 in words is "two trillion, two hundred fifty-six billion, six hundred fifty million, six hundred fifty-two thousand, five hundred sixty-four".