26508936608 has 96 divisors (see below), whose sum is σ = 65150023680. Its totient is φ = 10315042560.

The previous prime is 26508936607. The next prime is 26508936611. The reversal of 26508936608 is 80663980562.

It is a self number, because there is not a number n which added to its sum of digits gives 26508936608.

It is not an unprimeable number, because it can be changed into a prime (26508936607) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2060885 + ... + 2073707.

It is an arithmetic number, because the mean of its divisors is an integer number (678646080).

Almost surely, 2^26508936608 is an apocalyptic number.

26508936608 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 26508936608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32575011840).

26508936608 is an abundant number, since it is smaller than the sum of its proper divisors (38641087072).

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

26508936608 is a wasteful number, since it uses less digits than its factorization.

26508936608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13690 (or 13682 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 26508936608 in words is "twenty-six billion, five hundred eight million, nine hundred thirty-six thousand, six hundred eight".