2550644316 has 120 divisors (see below), whose sum is σ = 7429314816. Its totient is φ = 756427680.

The previous prime is 2550644297. The next prime is 2550644347. The reversal of 2550644316 is 6134460552.

2550644316 is a `hidden beast` number, since 2 + 5 + 5 + 0 + 644 + 3 + 1 + 6 = 666.

2550644316 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 159895 + ... + 175121.

Almost surely, 2^2550644316 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 2550644316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3714657408).

2550644316 is an abundant number, since it is smaller than the sum of its proper divisors (4878670500).

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

2550644316 is a wasteful number, since it uses less digits than its factorization.

2550644316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15301 (or 15290 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2550644316 is about 50503.9039679112. The cubic root of 2550644316 is about 1366.3122653794.

The spelling of 2550644316 in words is "two billion, five hundred fifty million, six hundred forty-four thousand, three hundred sixteen".