381922985926944 has 384 divisors, whose sum is σ = 1433611215912960. Its totient is φ = 96000750028800.

The previous prime is 381922985926931. The next prime is 381922985926969. The reversal of 381922985926944 is 449629589229183.

381922985926944 is a `hidden beast` number, since 3 + 8 + 19 + 2 + 2 + 9 + 8 + 592 + 6 + 9 + 4 + 4 = 666.

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, 90530949 + ... + 94655684.

It is an arithmetic number, because the mean of its divisors is an integer number (3733362541440).

Almost surely, 2^{381922985926944} is an apocalyptic number.

It is an amenable number.

381922985926944 is an abundant number, since it is smaller than the sum of its proper divisors (1051688229986016).

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

381922985926944 is a wasteful number, since it uses less digits than its factorization.

381922985926944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185186701 (or 185186687 counting only the distinct ones).

The product of its digits is 4837294080, while the sum is 81.

The spelling of 381922985926944 in words is "three hundred eighty-one trillion, nine hundred twenty-two billion, nine hundred eighty-five million, nine hundred twenty-six thousand, nine hundred forty-four".