256345586120210 has 32 divisors (see below), whose sum is σ = 474209061768000. Its totient is φ = 99700374940992.

The previous prime is 256345586120209. The next prime is 256345586120237. The reversal of 256345586120210 is 12021685543652.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230541404 + ... + 231650663.

It is an arithmetic number, because the mean of its divisors is an integer number (14819033180250).

Almost surely, 2^{256345586120210} is an apocalyptic number.

256345586120210 is a deficient number, since it is larger than the sum of its proper divisors (217863475647790).

256345586120210 is a wasteful number, since it uses less digits than its factorization.

256345586120210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462193610.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 256345586120210 in words is "two hundred fifty-six trillion, three hundred forty-five billion, five hundred eighty-six million, one hundred twenty thousand, two hundred ten".