26516250256 has 20 divisors (see below), whose sum is σ = 51382453500. Its totient is φ = 13256262272.

The previous prime is 26516250227. The next prime is 26516250263. The reversal of 26516250256 is 65205261562.

It can be written as a sum of positive squares in 2 ways, for example, as 9698310400 + 16817939856 = 98480^2 + 129684^2 .

It is a super-2 number, since 2×26516250256² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4830 + ... + 230338.

It is an arithmetic number, because the mean of its divisors is an integer number (2569122675).

Almost surely, 2^26516250256 is an apocalyptic number.

It is an amenable number.

26516250256 is a deficient number, since it is larger than the sum of its proper divisors (24866203244).

26516250256 is a wasteful number, since it uses less digits than its factorization.

26516250256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232866 (or 232860 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 26516250256 in words is "twenty-six billion, five hundred sixteen million, two hundred fifty thousand, two hundred fifty-six".