26328636908 has 96 divisors (see below), whose sum is σ = 58435829760. Its totient is φ = 10124585280.

The previous prime is 26328636869. The next prime is 26328636911. The reversal of 26328636908 is 80963682362.

It is a self number, because there is not a number n which added to its sum of digits gives 26328636908.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758141 + ... + 792107.

It is an arithmetic number, because the mean of its divisors is an integer number (608706560).

Almost surely, 2^26328636908 is an apocalyptic number.

26328636908 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 26328636908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29217914880).

26328636908 is an abundant number, since it is smaller than the sum of its proper divisors (32107192852).

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

26328636908 is a wasteful number, since it uses less digits than its factorization.

26328636908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34075 (or 34073 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 26328636908 in words is "twenty-six billion, three hundred twenty-eight million, six hundred thirty-six thousand, nine hundred eight".