256754456170230 has 64 divisors (see below), whose sum is σ = 631266196817088. Its totient is φ = 66795158845440.

The previous prime is 256754456170181. The next prime is 256754456170231. The reversal of 256754456170230 is 32071654457652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256754456170231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25696522 + ... + 34261058.

It is an arithmetic number, because the mean of its divisors is an integer number (9863534325267).

Almost surely, 2^{256754456170230} is an apocalyptic number.

256754456170230 is an abundant number, since it is smaller than the sum of its proper divisors (374511740646858).

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

256754456170230 is a wasteful number, since it uses less digits than its factorization.

256754456170230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588961.

The product of its (nonzero) digits is 42336000, while the sum is 57.

The spelling of 256754456170230 in words is "two hundred fifty-six trillion, seven hundred fifty-four billion, four hundred fifty-six million, one hundred seventy thousand, two hundred thirty".