2560256550 has 72 divisors (see below), whose sum is σ = 7038575544. Its totient is φ = 666852480.

The previous prime is 2560256539. The next prime is 2560256557. The reversal of 2560256550 is 556520652.

2560256550 is a `hidden beast` number, since 2 + 56 + 0 + 2 + 56 + 550 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560256557) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 46807 + ... + 85506.

Almost surely, 2^2560256550 is an apocalyptic number.

2560256550 is an abundant number, since it is smaller than the sum of its proper divisors (4478318994).

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

2560256550 is a wasteful number, since it uses less digits than its factorization.

2560256550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132374 (or 132366 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 2560256550 is about 50598.9777564725. The cubic root of 2560256550 is about 1368.0264531409.

The spelling of 2560256550 in words is "two billion, five hundred sixty million, two hundred fifty-six thousand, five hundred fifty".