256246041254610 has 256 divisors, whose sum is σ = 697691294208000. Its totient is φ = 59662512645120.

The previous prime is 256246041254513. The next prime is 256246041254627. The reversal of 256246041254610 is 16452140642652.

It is a self number, because there is not a number n which added to its sum of digits gives 256246041254610.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2461036131 + ... + 2461140249.

It is an arithmetic number, because the mean of its divisors is an integer number (2725356618000).

Almost surely, 2^{256246041254610} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256246041254610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348845647104000).

256246041254610 is an abundant number, since it is smaller than the sum of its proper divisors (441445252953390).

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

256246041254610 is a wasteful number, since it uses less digits than its factorization.

256246041254610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105521.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 256246041254610 in words is "two hundred fifty-six trillion, two hundred forty-six billion, forty-one million, two hundred fifty-four thousand, six hundred ten".