27221940160 has 112 divisors (see below), whose sum is σ = 67063997952. Its totient is φ = 10517504000.

The previous prime is 27221940101. The next prime is 27221940173. The reversal of 27221940160 is 6104912272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1314849 + ... + 1335391.

It is an arithmetic number, because the mean of its divisors is an integer number (598785696).

Almost surely, 2^27221940160 is an apocalyptic number.

27221940160 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 27221940160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33531998976).

27221940160 is an abundant number, since it is smaller than the sum of its proper divisors (39842057792).

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

27221940160 is a wasteful number, since it uses less digits than its factorization.

27221940160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20702 (or 20692 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 27221940160 in words is "twenty-seven billion, two hundred twenty-one million, nine hundred forty thousand, one hundred sixty".