2256502520 has 16 divisors (see below), whose sum is σ = 5077130760. Its totient is φ = 902600992.

The previous prime is 2256502519. The next prime is 2256502541. The reversal of 2256502520 is 252056522.

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, 28206242 + ... + 28206321.

Almost surely, 2^2256502520 is an apocalyptic number.

2256502520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256502520 is an abundant number, since it is smaller than the sum of its proper divisors (2820628240).

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

2256502520 is a wasteful number, since it uses less digits than its factorization.

2256502520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56412574 (or 56412570 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2256502520 is about 47502.6580308934. The cubic root of 2256502520 is about 1311.6318106612.

The spelling of 2256502520 in words is "two billion, two hundred fifty-six million, five hundred two thousand, five hundred twenty".