2550449568 has 24 divisors (see below), whose sum is σ = 6694930368. Its totient is φ = 850149824.

The previous prime is 2550449527. The next prime is 2550449569. The reversal of 2550449568 is 8659440552.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×2550449568² = 13009585997822773248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (2550449569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13283496 + ... + 13283687.

It is an arithmetic number, because the mean of its divisors is an integer number (278955432).

Almost surely, 2^2550449568 is an apocalyptic number.

It is an amenable number.

2550449568 is an abundant number, since it is smaller than the sum of its proper divisors (4144480800).

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

2550449568 is a wasteful number, since it uses less digits than its factorization.

2550449568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26567196 (or 26567188 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 48.

The square root of 2550449568 is about 50501.9758821375. The cubic root of 2550449568 is about 1366.2774907211.

The spelling of 2550449568 in words is "two billion, five hundred fifty million, four hundred forty-nine thousand, five hundred sixty-eight".