26298688928 has 24 divisors (see below), whose sum is σ = 52624327140. Its totient is φ = 12933780480.

The previous prime is 26298688907. The next prime is 26298688973. The reversal of 26298688928 is 82988689262.

It can be written as a sum of positive squares in 2 ways, for example, as 24065937424 + 2232751504 = 155132^2 + 47252^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6734393 + ... + 6738296.

Almost surely, 2^26298688928 is an apocalyptic number.

It is an amenable number.

26298688928 is an abundant number, since it is smaller than the sum of its proper divisors (26325638212).

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

26298688928 is a wasteful number, since it uses less digits than its factorization.

26298688928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13472760 (or 13472752 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 68.

The spelling of 26298688928 in words is "twenty-six billion, two hundred ninety-eight million, six hundred eighty-eight thousand, nine hundred twenty-eight".