2556944724852 has 48 divisors (see below), whose sum is σ = 7576132520320. Its totient is φ = 730555635456.

The previous prime is 2556944724833. The next prime is 2556944724883. The reversal of 2556944724852 is 2584274496552.

It is a happy number.

2556944724852 is a `hidden beast` number, since 2 + 5 + 569 + 4 + 47 + 24 + 8 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 2556944724852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691100253 + ... + 1691101764.

Almost surely, 2^{2556944724852} is an apocalyptic number.

It is an amenable number.

2556944724852 is an abundant number, since it is smaller than the sum of its proper divisors (5019187795468).

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

2556944724852 is a wasteful number, since it uses less digits than its factorization.

2556944724852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3382202037 (or 3382202029 counting only the distinct ones).

The product of its digits is 193536000, while the sum is 63.

The spelling of 2556944724852 in words is "two trillion, five hundred fifty-six billion, nine hundred forty-four million, seven hundred twenty-four thousand, eight hundred fifty-two".