256536264050 has 96 divisors (see below), whose sum is σ = 533553350400. Its totient is φ = 90955712000.

The previous prime is 256536264013. The next prime is 256536264071. The reversal of 256536264050 is 50462635652.

It is a junction number, because it is equal to n+sod(n) for n = 256536263992 and 256536264010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62889911 + ... + 62893989.

It is an arithmetic number, because the mean of its divisors is an integer number (5557847400).

Almost surely, 2^256536264050 is an apocalyptic number.

256536264050 is an abundant number, since it is smaller than the sum of its proper divisors (277017086350).

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

256536264050 is a wasteful number, since it uses less digits than its factorization.

256536264050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932 (or 6927 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 44.

The spelling of 256536264050 in words is "two hundred fifty-six billion, five hundred thirty-six million, two hundred sixty-four thousand, fifty".