27021803228844 has 192 divisors, whose sum is σ = 66449975961600. Its totient is φ = 8535243523072.

The previous prime is 27021803228839. The next prime is 27021803228857. The reversal of 27021803228844 is 44882230812072.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1753174882 + ... + 1753190294.

It is an arithmetic number, because the mean of its divisors is an integer number (346093624800).

Almost surely, 2^{27021803228844} 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 27021803228844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33224987980800).

27021803228844 is an abundant number, since it is smaller than the sum of its proper divisors (39428172732756).

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

27021803228844 is a wasteful number, since it uses less digits than its factorization.

27021803228844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15992 (or 15990 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 51.

The spelling of 27021803228844 in words is "twenty-seven trillion, twenty-one billion, eight hundred three million, two hundred twenty-eight thousand, eight hundred forty-four".