2500890656 has 48 divisors (see below), whose sum is σ = 5653942560. Its totient is φ = 1076935680.

The previous prime is 2500890647. The next prime is 2500890673. The reversal of 2500890656 is 6560980052.

It is a super-2 number, since 2×2500890656² = 12508908146536220672, which contains 22 as substring.

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, 180281 + ... + 193656.

It is an arithmetic number, because the mean of its divisors is an integer number (117790470).

Almost surely, 2^2500890656 is an apocalyptic number.

It is an amenable number.

2500890656 is an abundant number, since it is smaller than the sum of its proper divisors (3153051904).

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

2500890656 is a wasteful number, since it uses less digits than its factorization.

2500890656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373977 (or 373969 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 2500890656 is about 50008.9057668732. The cubic root of 2500890656 is about 1357.3699633169.

The spelling of 2500890656 in words is "two billion, five hundred million, eight hundred ninety thousand, six hundred fifty-six".