2550401872 has 20 divisors (see below), whose sum is σ = 5003955520. Its totient is φ = 1259058528.

The previous prime is 2550401807. The next prime is 2550401921. The reversal of 2550401872 is 2781040552.

It is a happy number.

It is a super-2 number, since 2×2550401872² = 13009099417402208768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007598 + ... + 1010125.

It is an arithmetic number, because the mean of its divisors is an integer number (250197776).

Almost surely, 2^2550401872 is an apocalyptic number.

It is an amenable number.

2550401872 is a deficient number, since it is larger than the sum of its proper divisors (2453553648).

2550401872 is a wasteful number, since it uses less digits than its factorization.

2550401872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017810 (or 2017804 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 2550401872 is about 50501.5036607822. The cubic root of 2550401872 is about 1366.2689737420.

The spelling of 2550401872 in words is "two billion, five hundred fifty million, four hundred one thousand, eight hundred seventy-two".