381170787120 has 80 divisors (see below), whose sum is σ = 1312921607520. Its totient is φ = 101645542656.

The previous prime is 381170787097. The next prime is 381170787139. The reversal of 381170787120 is 21787071183.

It is a happy number.

381170787120 is a `hidden beast` number, since 381 + 1 + 70 + 7 + 87 + 120 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88231819 + ... + 88236138.

It is an arithmetic number, because the mean of its divisors is an integer number (16411520094).

Almost surely, 2^381170787120 is an apocalyptic number.

381170787120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381170787120 is an abundant number, since it is smaller than the sum of its proper divisors (931750820400).

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

381170787120 is a wasteful number, since it uses less digits than its factorization.

381170787120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176467979 (or 176467967 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 45.

The spelling of 381170787120 in words is "three hundred eighty-one billion, one hundred seventy million, seven hundred eighty-seven thousand, one hundred twenty".