381571727760 has 120 divisors (see below), whose sum is σ = 1337160112704. Its totient is φ = 97328436480.

The previous prime is 381571727759. The next prime is 381571727791. The reversal of 381571727760 is 67727175183.

381571727760 is a `hidden beast` number, since 3 + 8 + 1 + 571 + 7 + 2 + 7 + 7 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 381571727697 and 381571727706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11504326 + ... + 11537445.

Almost surely, 2^381571727760 is an apocalyptic number.

381571727760 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381571727760 is an abundant number, since it is smaller than the sum of its proper divisors (955588384944).

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

381571727760 is a wasteful number, since it uses less digits than its factorization.

381571727760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23041813 (or 23041804 counting only the distinct ones).

The product of its (nonzero) digits is 3457440, while the sum is 54.

The spelling of 381571727760 in words is "three hundred eighty-one billion, five hundred seventy-one million, seven hundred twenty-seven thousand, seven hundred sixty".