381972542284 has 24 divisors (see below), whose sum is σ = 671254693200. Its totient is φ = 190187077440.

The previous prime is 381972542257. The next prime is 381972542327. The reversal of 381972542284 is 482245279183.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764874 + ... + 1161454.

It is an arithmetic number, because the mean of its divisors is an integer number (27968945550).

Almost surely, 2^381972542284 is an apocalyptic number.

It is an amenable number.

381972542284 is a deficient number, since it is larger than the sum of its proper divisors (289282150916).

381972542284 is a wasteful number, since it uses less digits than its factorization.

381972542284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397593 (or 397591 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 55.

The spelling of 381972542284 in words is "three hundred eighty-one billion, nine hundred seventy-two million, five hundred forty-two thousand, two hundred eighty-four".