381823996392 has 128 divisors (see below), whose sum is σ = 1076091542400. Its totient is φ = 125421405696.

The previous prime is 381823996363. The next prime is 381823996403. The reversal of 381823996392 is 293699328183.

381823996392 is a `hidden beast` number, since 3 + 8 + 1 + 8 + 239 + 9 + 6 + 392 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19116603 + ... + 19136565.

It is an arithmetic number, because the mean of its divisors is an integer number (8406965175).

Almost surely, 2^381823996392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381823996392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538045771200).

381823996392 is an abundant number, since it is smaller than the sum of its proper divisors (694267546008).

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

381823996392 is a wasteful number, since it uses less digits than its factorization.

381823996392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21264 (or 21254 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The spelling of 381823996392 in words is "three hundred eighty-one billion, eight hundred twenty-three million, nine hundred ninety-six thousand, three hundred ninety-two".