26608744680 has 256 divisors, whose sum is σ = 94618368000. Its totient is φ = 5857195008.

The previous prime is 26608744661. The next prime is 26608744751. The reversal of 26608744680 is 8644780662.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11374951 + ... + 11377289.

It is an arithmetic number, because the mean of its divisors is an integer number (369603000).

Almost surely, 2^26608744680 is an apocalyptic number.

26608744680 is a gapful number since it is divisible by the number (20) 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 26608744680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47309184000).

26608744680 is an abundant number, since it is smaller than the sum of its proper divisors (68009623320).

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

26608744680 is a wasteful number, since it uses less digits than its factorization.

26608744680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856 (or 2852 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 26608744680 in words is "twenty-six billion, six hundred eight million, seven hundred forty-four thousand, six hundred eighty".