256048683510 has 64 divisors (see below), whose sum is σ = 628720330752. Its totient is φ = 66706709376.

The previous prime is 256048683503. The next prime is 256048683599. The reversal of 256048683510 is 15386840652.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 256048683510.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 622359 + ... + 948381.

It is an arithmetic number, because the mean of its divisors is an integer number (9823755168).

Almost surely, 2^256048683510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256048683510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314360165376).

256048683510 is an abundant number, since it is smaller than the sum of its proper divisors (372671647242).

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

256048683510 is a wasteful number, since it uses less digits than its factorization.

256048683510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326637.

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 256048683510 in words is "two hundred fifty-six billion, forty-eight million, six hundred eighty-three thousand, five hundred ten".