2256909056 has 36 divisors (see below), whose sum is σ = 4547160072. Its totient is φ = 1117894656.

The previous prime is 2256909043. The next prime is 2256909071. The reversal of 2256909056 is 6509096522.

It is a super-2 number, since 2×2256909056² = 10187276974109622272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2256908998 and 2256909016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13805 + ... + 68588.

It is an arithmetic number, because the mean of its divisors is an integer number (126310002).

Almost surely, 2^2256909056 is an apocalyptic number.

It is an amenable number.

2256909056 is an abundant number, since it is smaller than the sum of its proper divisors (2290251016).

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

2256909056 is an equidigital number, since it uses as much as digits as its factorization.

2256909056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82516 (or 82502 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 44.

The square root of 2256909056 is about 47506.9369250429. The cubic root of 2256909056 is about 1311.7105746667.

The spelling of 2256909056 in words is "two billion, two hundred fifty-six million, nine hundred nine thousand, fifty-six".