26464525256 has 24 divisors (see below), whose sum is σ = 53731601730. Its totient is φ = 12214395648.

The previous prime is 26464525201. The next prime is 26464525271. The reversal of 26464525256 is 65252546462.

It can be written as a sum of positive squares in 3 ways, for example, as 7390153156 + 19074372100 = 85966^2 + 138110^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26464525256.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9785825 + ... + 9788528.

Almost surely, 2^26464525256 is an apocalyptic number.

26464525256 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

26464525256 is an abundant number, since it is smaller than the sum of its proper divisors (27267076474).

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

26464525256 is a wasteful number, since it uses less digits than its factorization.

26464525256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19574385 (or 19574368 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 47.

The spelling of 26464525256 in words is "twenty-six billion, four hundred sixty-four million, five hundred twenty-five thousand, two hundred fifty-six".