2553628444 has 24 divisors (see below), whose sum is σ = 4575579008. Its totient is φ = 1246356720.

The previous prime is 2553628411. The next prime is 2553628471. The reversal of 2553628444 is 4448263552.

It is a super-2 number, since 2×2553628444² = 13042036460011722272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 2553628444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363049 + ... + 370015.

Almost surely, 2^2553628444 is an apocalyptic number.

It is an amenable number.

2553628444 is a deficient number, since it is larger than the sum of its proper divisors (2021950564).

2553628444 is a wasteful number, since it uses less digits than its factorization.

2553628444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9145 (or 9143 counting only the distinct ones).

The product of its digits is 921600, while the sum is 43.

The square root of 2553628444 is about 50533.4388697227. The cubic root of 2553628444 is about 1366.8448970279.

The spelling of 2553628444 in words is "two billion, five hundred fifty-three million, six hundred twenty-eight thousand, four hundred forty-four".