27726330036920 has 128 divisors (see below), whose sum is σ = 63982150041600. Its totient is φ = 10807115904000.

The previous prime is 27726330036859. The next prime is 27726330036943. The reversal of 27726330036920 is 2963003362772.

It is a congruent number.

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, 8699819567 + ... + 8699822753.

It is an arithmetic number, because the mean of its divisors is an integer number (499860547200).

Almost surely, 2^{27726330036920} is an apocalyptic number.

27726330036920 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 27726330036920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31991075020800).

27726330036920 is an abundant number, since it is smaller than the sum of its proper divisors (36255820004680).

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

27726330036920 is a wasteful number, since it uses less digits than its factorization.

27726330036920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7909 (or 7905 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 50.

The spelling of 27726330036920 in words is "twenty-seven trillion, seven hundred twenty-six billion, three hundred thirty million, thirty-six thousand, nine hundred twenty".