381512044 has 6 divisors (see below), whose sum is σ = 667646084. Its totient is φ = 190756020.

The previous prime is 381511987. The next prime is 381512051. The reversal of 381512044 is 440215183.

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 as a sum of consecutive naturals, namely, 47689002 + ... + 47689009.

Almost surely, 2^381512044 is an apocalyptic number.

It is an amenable number.

381512044 is a deficient number, since it is larger than the sum of its proper divisors (286134040).

381512044 is a wasteful number, since it uses less digits than its factorization.

381512044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95378015 (or 95378013 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 381512044 is about 19532.3332963576. Note that the first 3 decimals coincide. The cubic root of 381512044 is about 725.2750721576.

The spelling of 381512044 in words is "three hundred eighty-one million, five hundred twelve thousand, forty-four".