381998175180 has 192 divisors, whose sum is σ = 1111842816000. Its totient is φ = 97890819840.

The previous prime is 381998175161. The next prime is 381998175217. The reversal of 381998175180 is 81571899183.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 340158099 + ... + 340159221.

It is an arithmetic number, because the mean of its divisors is an integer number (5790848000).

Almost surely, 2^381998175180 is an apocalyptic number.

381998175180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381998175180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (555921408000).

381998175180 is an abundant number, since it is smaller than the sum of its proper divisors (729844640820).

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

381998175180 is a wasteful number, since it uses less digits than its factorization.

381998175180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2284 (or 2282 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 60.

The spelling of 381998175180 in words is "three hundred eighty-one billion, nine hundred ninety-eight million, one hundred seventy-five thousand, one hundred eighty".