2255757156 has 36 divisors (see below), whose sum is σ = 5710844412. Its totient is φ = 750759744.

The previous prime is 2255757143. The next prime is 2255757157. The reversal of 2255757156 is 6517575522.

2255757156 is a `hidden beast` number, since 2 + 2 + 5 + 575 + 71 + 5 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 810540900 + 1445216256 = 28470^2 + 38016^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2255757157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24471 + ... + 71486.

It is an arithmetic number, because the mean of its divisors is an integer number (158634567).

Almost surely, 2^2255757156 is an apocalyptic number.

It is an amenable number.

2255757156 is an abundant number, since it is smaller than the sum of its proper divisors (3455087256).

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

2255757156 is a wasteful number, since it uses less digits than its factorization.

2255757156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96620 (or 96615 counting only the distinct ones).

The product of its digits is 735000, while the sum is 45.

The square root of 2255757156 is about 47494.8118850891. The cubic root of 2255757156 is about 1311.4873761084.

The spelling of 2255757156 in words is "two billion, two hundred fifty-five million, seven hundred fifty-seven thousand, one hundred fifty-six".