27718408838000 has 80 divisors (see below), whose sum is σ = 68287699861056. Its totient is φ = 10878167955200.

The previous prime is 27718408837991. The next prime is 27718408838039. The reversal of 27718408838000 is 83880481772.

It is a tau number, because it is divible by the number of its divisors (80).

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, 130641212 + ... + 130853211.

Almost surely, 2^{27718408838000} is an apocalyptic number.

27718408838000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27718408838000 is an abundant number, since it is smaller than the sum of its proper divisors (40569291023056).

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

27718408838000 is a wasteful number, since it uses less digits than its factorization.

27718408838000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261494499 (or 261494483 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 56.

The spelling of 27718408838000 in words is "twenty-seven trillion, seven hundred eighteen billion, four hundred eight million, eight hundred thirty-eight thousand".