2568853244 has 24 divisors (see below), whose sum is σ = 4596775680. Its totient is φ = 1255556016.

The previous prime is 2568853213. The next prime is 2568853247. The reversal of 2568853244 is 4423588652.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568853247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153539 + ... + 169445.

It is an arithmetic number, because the mean of its divisors is an integer number (191532320).

Almost surely, 2^2568853244 is an apocalyptic number.

It is an amenable number.

2568853244 is a deficient number, since it is larger than the sum of its proper divisors (2027922436).

2568853244 is a wasteful number, since it uses less digits than its factorization.

2568853244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16817 (or 16815 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 47.

The square root of 2568853244 is about 50683.8558517404. The cubic root of 2568853244 is about 1369.5559048629. Note that the first 3 decimals are identical.

The spelling of 2568853244 in words is "two billion, five hundred sixty-eight million, eight hundred fifty-three thousand, two hundred forty-four".