26880023808 has 216 divisors, whose sum is σ = 85938312096. Its totient is φ = 8011468800.

The previous prime is 26880023783. The next prime is 26880023813. The reversal of 26880023808 is 80832008862.

26880023808 is a `hidden beast` number, since 268 + 8 + 0 + 0 + 2 + 380 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1537291 + ... + 1554677.

It is an arithmetic number, because the mean of its divisors is an integer number (397862556).

Almost surely, 2^26880023808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26880023808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42969156048).

26880023808 is an abundant number, since it is smaller than the sum of its proper divisors (59058288288).

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

26880023808 is a wasteful number, since it uses less digits than its factorization.

26880023808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17481 (or 17464 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 26880023808 in words is "twenty-six billion, eight hundred eighty million, twenty-three thousand, eight hundred eight".