27256922880 has 288 divisors, whose sum is σ = 95732195328. Its totient is φ = 6554419200.

The previous prime is 27256922843. The next prime is 27256922881. The reversal of 27256922880 is 8822965272.

It is not an unprimeable number, because it can be changed into a prime (27256922881) 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 31 ways as a sum of consecutive naturals, for example, 5361940 + ... + 5367020.

It is an arithmetic number, because the mean of its divisors is an integer number (332403456).

Almost surely, 2^27256922880 is an apocalyptic number.

27256922880 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 27256922880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47866097664).

27256922880 is an abundant number, since it is smaller than the sum of its proper divisors (68475272448).

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

27256922880 is a wasteful number, since it uses less digits than its factorization.

27256922880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5243 (or 5229 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 27256922880 in words is "twenty-seven billion, two hundred fifty-six million, nine hundred twenty-two thousand, eight hundred eighty".