2255815884 has 48 divisors (see below), whose sum is σ = 6369366528. Its totient is φ = 606605568.

The previous prime is 2255815883. The next prime is 2255815909. The reversal of 2255815884 is 4885185522.

It is not an unprimeable number, because it can be changed into a prime (2255815883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788424 + ... + 791279.

It is an arithmetic number, because the mean of its divisors is an integer number (132695136).

Almost surely, 2^2255815884 is an apocalyptic number.

It is an amenable number.

2255815884 is an abundant number, since it is smaller than the sum of its proper divisors (4113550644).

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

2255815884 is a wasteful number, since it uses less digits than its factorization.

2255815884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579734 (or 1579732 counting only the distinct ones).

The product of its digits is 1024000, while the sum is 48.

The square root of 2255815884 is about 47495.4301380670. The cubic root of 2255815884 is about 1311.4987574107.

The spelling of 2255815884 in words is "two billion, two hundred fifty-five million, eight hundred fifteen thousand, eight hundred eighty-four".