27057385805320 has 128 divisors (see below), whose sum is σ = 66725582595840. Its totient is φ = 9814147015680.

The previous prime is 27057385805311. The next prime is 27057385805341. The reversal of 27057385805320 is 2350858375072.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8903979 + ... + 11549701.

It is an arithmetic number, because the mean of its divisors is an integer number (521293614030).

Almost surely, 2^{27057385805320} is an apocalyptic number.

27057385805320 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 27057385805320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33362791297920).

27057385805320 is an abundant number, since it is smaller than the sum of its proper divisors (39668196790520).

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

27057385805320 is a wasteful number, since it uses less digits than its factorization.

27057385805320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646095 (or 2646091 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 55.

The spelling of 27057385805320 in words is "twenty-seven trillion, fifty-seven billion, three hundred eighty-five million, eight hundred five thousand, three hundred twenty".