27455662000172 has 24 divisors (see below), whose sum is σ = 54911434991616. Its totient is φ = 11766688501968.

The previous prime is 27455662000171. The next prime is 27455662000219. The reversal of 27455662000172 is 27100026655472.

It is not an unprimeable number, because it can be changed into a prime (27455662000171) 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, 26145653 + ... + 27175475.

It is an arithmetic number, because the mean of its divisors is an integer number (2287976457984).

Almost surely, 2^{27455662000172} is an apocalyptic number.

It is an amenable number.

27455662000172 is an abundant number, since it is smaller than the sum of its proper divisors (27455772991444).

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

27455662000172 is a wasteful number, since it uses less digits than its factorization.

27455662000172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981997 (or 1981995 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 27455662000172 in words is "twenty-seven trillion, four hundred fifty-five billion, six hundred sixty-two million, one hundred seventy-two", and thus it is an aban number.