385321388872 has 32 divisors (see below), whose sum is σ = 861588201600. Its totient is φ = 157957835904.

The previous prime is 385321388869. The next prime is 385321388899. The reversal of 385321388872 is 278883123583.

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, 149579997 + ... + 149582572.

It is an arithmetic number, because the mean of its divisors is an integer number (26924631300).

Almost surely, 2^385321388872 is an apocalyptic number.

It is an amenable number.

385321388872 is an abundant number, since it is smaller than the sum of its proper divisors (476266812728).

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

385321388872 is a wasteful number, since it uses less digits than its factorization.

385321388872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299162605 (or 299162601 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The spelling of 385321388872 in words is "three hundred eighty-five billion, three hundred twenty-one million, three hundred eighty-eight thousand, eight hundred seventy-two".