2256656502636 has 48 divisors (see below), whose sum is σ = 5850916606080. Its totient is φ = 752176962000.

The previous prime is 2256656502559. The next prime is 2256656502637. The reversal of 2256656502636 is 6362056566522.

2256656502636 is a `hidden beast` number, since 2 + 2 + 56 + 6 + 56 + 502 + 6 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2256656502637) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1398675 + ... + 2543541.

It is an arithmetic number, because the mean of its divisors is an integer number (121894095960).

Almost surely, 2^{2256656502636} is an apocalyptic number.

It is an amenable number.

2256656502636 is an abundant number, since it is smaller than the sum of its proper divisors (3594260103444).

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

2256656502636 is a wasteful number, since it uses less digits than its factorization.

2256656502636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163131 (or 1163123 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 2256656502636 in words is "two trillion, two hundred fifty-six billion, six hundred fifty-six million, five hundred two thousand, six hundred thirty-six".