26447265256 has 16 divisors (see below), whose sum is σ = 51298575300. Its totient is φ = 12767645184.

The previous prime is 26447265253. The next prime is 26447265263. The reversal of 26447265256 is 65256274462.

It can be written as a sum of positive squares in 2 ways, for example, as 25692884100 + 754381156 = 160290^2 + 27466^2 .

It is not an unprimeable number, because it can be changed into a prime (26447265253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56998185 + ... + 56998648.

Almost surely, 2^26447265256 is an apocalyptic number.

It is an amenable number.

26447265256 is a deficient number, since it is larger than the sum of its proper divisors (24851310044).

26447265256 is a wasteful number, since it uses less digits than its factorization.

26447265256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113996868 (or 113996864 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 49.

The spelling of 26447265256 in words is "twenty-six billion, four hundred forty-seven million, two hundred sixty-five thousand, two hundred fifty-six".