2256795856 has 40 divisors (see below), whose sum is σ = 5000304960. Its totient is φ = 966595584.

The previous prime is 2256795829. The next prime is 2256795881. The reversal of 2256795856 is 6585976522.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2256795797 and 2256795806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206235 + ... + 216901.

It is an arithmetic number, because the mean of its divisors is an integer number (125007624).

Almost surely, 2^2256795856 is an apocalyptic number.

It is an amenable number.

2256795856 is an abundant number, since it is smaller than the sum of its proper divisors (2743509104).

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

2256795856 is a wasteful number, since it uses less digits than its factorization.

2256795856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12571 (or 12565 counting only the distinct ones).

The product of its digits is 9072000, while the sum is 55.

The square root of 2256795856 is about 47505.7455051492. The cubic root of 2256795856 is about 1311.6886437698.

The spelling of 2256795856 in words is "two billion, two hundred fifty-six million, seven hundred ninety-five thousand, eight hundred fifty-six".