26886988800 has 528 divisors, whose sum is σ = 112862081920. Its totient is φ = 6144491520.

The previous prime is 26886988781. The next prime is 26886988813. The reversal of 26886988800 is 888968862.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4835622 + ... + 4841178.

Almost surely, 2^26886988800 is an apocalyptic number.

26886988800 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 26886988800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56431040960).

26886988800 is an abundant number, since it is smaller than the sum of its proper divisors (85975093120).

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

26886988800 is a wasteful number, since it uses less digits than its factorization.

26886988800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5603 (or 5574 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 63.

The spelling of 26886988800 in words is "twenty-six billion, eight hundred eighty-six million, nine hundred eighty-eight thousand, eight hundred".