256622340074627 has 8 divisors (see below), whose sum is σ = 258142479856560. Its totient is φ = 255102622978720.

The previous prime is 256622340074621. The next prime is 256622340074647. The reversal of 256622340074627 is 726470043226652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256622340074627 - 2⁸ = 256622340074371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256622340074621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104453624 + ... + 106882197.

It is an arithmetic number, because the mean of its divisors is an integer number (32267809982070).

Almost surely, 2^{256622340074627} is an apocalyptic number.

256622340074627 is a deficient number, since it is larger than the sum of its proper divisors (1520139781933).

256622340074627 is a wasteful number, since it uses less digits than its factorization.

256622340074627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211343013.

The product of its (nonzero) digits is 40642560, while the sum is 56.

The spelling of 256622340074627 in words is "two hundred fifty-six trillion, six hundred twenty-two billion, three hundred forty million, seventy-four thousand, six hundred twenty-seven".