381409994232 has 48 divisors (see below), whose sum is σ = 1033334607240. Its totient is φ = 127093685568.

The previous prime is 381409994219. The next prime is 381409994239. The reversal of 381409994232 is 232499904183.

381409994232 is a `hidden beast` number, since 3 + 81 + 409 + 99 + 42 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381409994239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680583 + ... + 1107254.

Almost surely, 2^381409994232 is an apocalyptic number.

It is an amenable number.

381409994232 is an abundant number, since it is smaller than the sum of its proper divisors (651924613008).

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

381409994232 is a wasteful number, since it uses less digits than its factorization.

381409994232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790812 (or 1790805 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 381409994232 in words is "three hundred eighty-one billion, four hundred nine million, nine hundred ninety-four thousand, two hundred thirty-two".