2552274783256 has 64 divisors (see below), whose sum is σ = 5269103136000. Its totient is φ = 1149340613760.

The previous prime is 2552274783221. The next prime is 2552274783257. The reversal of 2552274783256 is 6523874722552.

It is a self number, because there is not a number n which added to its sum of digits gives 2552274783256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552274783257) 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, 154797045 + ... + 154813531.

It is an arithmetic number, because the mean of its divisors is an integer number (82329736500).

Almost surely, 2^{2552274783256} 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 2552274783256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2634551568000).

2552274783256 is an abundant number, since it is smaller than the sum of its proper divisors (2716828352744).

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

2552274783256 is a wasteful number, since it uses less digits than its factorization.

2552274783256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32752 (or 32748 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 58.

The spelling of 2552274783256 in words is "two trillion, five hundred fifty-two billion, two hundred seventy-four million, seven hundred eighty-three thousand, two hundred fifty-six".