256622447560770 has 96 divisors (see below), whose sum is σ = 716416735432320. Its totient is φ = 63500058800640.

The previous prime is 256622447560747. The next prime is 256622447560799. The reversal of 256622447560770 is 77065744226652.

256622447560770 is a `hidden beast` number, since 2 + 5 + 6 + 6 + 2 + 24 + 47 + 560 + 7 + 7 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 256622447560698 and 256622447560707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1181068060 + ... + 1181285319.

It is an arithmetic number, because the mean of its divisors is an integer number (7462674327420).

Almost surely, 2^{256622447560770} is an apocalyptic number.

256622447560770 is an abundant number, since it is smaller than the sum of its proper divisors (459794287871550).

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

256622447560770 is a wasteful number, since it uses less digits than its factorization.

256622447560770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362353480 (or 2362353477 counting only the distinct ones).

The product of its (nonzero) digits is 237081600, while the sum is 63.

The spelling of 256622447560770 in words is "two hundred fifty-six trillion, six hundred twenty-two billion, four hundred forty-seven million, five hundred sixty thousand, seven hundred seventy".