27880260021944 has 32 divisors (see below), whose sum is σ = 57476842444800. Its totient is φ = 12573059274720.

The previous prime is 27880260021941. The next prime is 27880260021973. The reversal of 27880260021944 is 44912006208872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27880260021941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1247316134 + ... + 1247338485.

It is an arithmetic number, because the mean of its divisors is an integer number (1796151326400).

Almost surely, 2^{27880260021944} is an apocalyptic number.

It is an amenable number.

27880260021944 is an abundant number, since it is smaller than the sum of its proper divisors (29596582422856).

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

27880260021944 is a wasteful number, since it uses less digits than its factorization.

27880260021944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494654763 (or 2494654759 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The spelling of 27880260021944 in words is "twenty-seven trillion, eight hundred eighty billion, two hundred sixty million, twenty-one thousand, nine hundred forty-four".