2556674847792 has 480 divisors, whose sum is σ = 8084548180800. Its totient is φ = 748818137088.

The previous prime is 2556674847737. The next prime is 2556674847851. The reversal of 2556674847792 is 2977484766552.

2556674847792 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 67 + 4 + 8 + 477 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 2556674847792.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1353453184 + ... + 1353455072.

It is an arithmetic number, because the mean of its divisors is an integer number (16842808710).

Almost surely, 2^{2556674847792} 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 2556674847792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4042274090400).

2556674847792 is an abundant number, since it is smaller than the sum of its proper divisors (5527873333008).

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

2556674847792 is a wasteful number, since it uses less digits than its factorization.

2556674847792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2276 counting only the distinct ones).

The product of its digits is 1422489600, while the sum is 72.

The spelling of 2556674847792 in words is "two trillion, five hundred fifty-six billion, six hundred seventy-four million, eight hundred forty-seven thousand, seven hundred ninety-two".