26826659328 has 160 divisors (see below), whose sum is σ = 86482750464. Its totient is φ = 7213842432.

The previous prime is 26826659297. The next prime is 26826659333. The reversal of 26826659328 is 82395662862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109401 + ... + 256167.

Almost surely, 2^26826659328 is an apocalyptic number.

26826659328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26826659328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43241375232).

26826659328 is an abundant number, since it is smaller than the sum of its proper divisors (59656091136).

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

26826659328 is a wasteful number, since it uses less digits than its factorization.

26826659328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146812 (or 146796 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 26826659328 in words is "twenty-six billion, eight hundred twenty-six million, six hundred fifty-nine thousand, three hundred twenty-eight".