2256348656 has 20 divisors (see below), whose sum is σ = 4372787832. Its totient is φ = 1127887296.

The previous prime is 2256348649. The next prime is 2256348659. The reversal of 2256348656 is 6568436522.

2256348656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2256348656² = 10182218514866012672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2256348656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256348659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56195 + ... + 87581.

Almost surely, 2^2256348656 is an apocalyptic number.

It is an amenable number.

2256348656 is a deficient number, since it is larger than the sum of its proper divisors (2116439176).

2256348656 is a wasteful number, since it uses less digits than its factorization.

2256348656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35888 (or 35882 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 47.

The square root of 2256348656 is about 47501.0384728587. The cubic root of 2256348656 is about 1311.6019979308.

The spelling of 2256348656 in words is "two billion, two hundred fifty-six million, three hundred forty-eight thousand, six hundred fifty-six".