120177866438028 has 72 divisors (see below), whose sum is σ = 359152244549280. Its totient is φ = 33152514877440.

The previous prime is 120177866438017. The next prime is 120177866438083. The reversal of 120177866438028 is 820834668771021.

It is a happy number.

120177866438028 is a `hidden beast` number, since 1 + 2 + 0 + 177 + 8 + 6 + 6 + 438 + 0 + 28 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8222342613 + ... + 8222357228.

It is an arithmetic number, because the mean of its divisors is an integer number (4988225618740).

Almost surely, 2^{120177866438028} is an apocalyptic number.

120177866438028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

120177866438028 is an abundant number, since it is smaller than the sum of its proper divisors (238974378111252).

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

120177866438028 is a wasteful number, since it uses less digits than its factorization.

120177866438028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16444699887 (or 16444699882 counting only the distinct ones).

The product of its (nonzero) digits is 43352064, while the sum is 63.

The spelling of 120177866438028 in words is "one hundred twenty trillion, one hundred seventy-seven billion, eight hundred sixty-six million, four hundred thirty-eight thousand, twenty-eight".