2263561256 has 32 divisors (see below), whose sum is σ = 4631947200. Its totient is φ = 1028461440.

The previous prime is 2263561249. The next prime is 2263561291. The reversal of 2263561256 is 6521653622.

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, 312605 + ... + 319763.

It is an arithmetic number, because the mean of its divisors is an integer number (144748350).

Almost surely, 2^2263561256 is an apocalyptic number.

It is an amenable number.

2263561256 is an abundant number, since it is smaller than the sum of its proper divisors (2368385944).

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

2263561256 is a wasteful number, since it uses less digits than its factorization.

2263561256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10769 (or 10765 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 2263561256 is about 47576.8983436289. The cubic root of 2263561256 is about 1312.9980585469.

The spelling of 2263561256 in words is "two billion, two hundred sixty-three million, five hundred sixty-one thousand, two hundred fifty-six".