2256464065266 has 32 divisors (see below), whose sum is σ = 5032467022080. Its totient is φ = 749439323568.

The previous prime is 2256464065243. The next prime is 2256464065301. The reversal of 2256464065266 is 6625604646522.

2256464065266 is a `hidden beast` number, since 2 + 2 + 56 + 4 + 64 + 0 + 6 + 526 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75411706 + ... + 75441621.

It is an arithmetic number, because the mean of its divisors is an integer number (157264594440).

Almost surely, 2^{2256464065266} is an apocalyptic number.

2256464065266 is an abundant number, since it is smaller than the sum of its proper divisors (2776002956814).

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

2256464065266 is a wasteful number, since it uses less digits than its factorization.

2256464065266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150853615 (or 150853609 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 54.

The spelling of 2256464065266 in words is "two trillion, two hundred fifty-six billion, four hundred sixty-four million, sixty-five thousand, two hundred sixty-six".