27801163901400 has 48 divisors (see below), whose sum is σ = 86183608096200. Its totient is φ = 7413643706880.

The previous prime is 27801163901369. The next prime is 27801163901449. The reversal of 27801163901400 is 410936110872.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23167635985 + ... + 23167637184.

Almost surely, 2^{27801163901400} is an apocalyptic number.

27801163901400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27801163901400 is an abundant number, since it is smaller than the sum of its proper divisors (58382444194800).

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

27801163901400 is a wasteful number, since it uses less digits than its factorization.

27801163901400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46335273188 (or 46335273179 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 27801163901400 in words is "twenty-seven trillion, eight hundred one billion, one hundred sixty-three million, nine hundred one thousand, four hundred".