2556852244 has 12 divisors (see below), whose sum is σ = 4475236500. Its totient is φ = 1278213248.

The previous prime is 2556852239. The next prime is 2556852257. The reversal of 2556852244 is 4422586552.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10640644 + 2546211600 = 3262^2 + 50460^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2556852244.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24469 + ... + 75580.

It is an arithmetic number, because the mean of its divisors is an integer number (372936375).

Almost surely, 2^2556852244 is an apocalyptic number.

It is an amenable number.

2556852244 is a deficient number, since it is larger than the sum of its proper divisors (1918384256).

2556852244 is a wasteful number, since it uses less digits than its factorization.

2556852244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106442 (or 106440 counting only the distinct ones).

The product of its digits is 768000, while the sum is 43.

The square root of 2556852244 is about 50565.3264994897. The cubic root of 2556852244 is about 1367.4198412285.

The spelling of 2556852244 in words is "two billion, five hundred fifty-six million, eight hundred fifty-two thousand, two hundred forty-four".