385579798128 has 120 divisors (see below), whose sum is σ = 1287451890960. Its totient is φ = 110165650560.

The previous prime is 385579798061. The next prime is 385579798141. The reversal of 385579798128 is 821897975583.

385579798128 is a `hidden beast` number, since 38 + 5 + 579 + 7 + 9 + 8 + 12 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9086443 + ... + 9128778.

It is an arithmetic number, because the mean of its divisors is an integer number (10728765758).

Almost surely, 2^385579798128 is an apocalyptic number.

It is an amenable number.

385579798128 is an abundant number, since it is smaller than the sum of its proper divisors (901872092832).

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

385579798128 is a wasteful number, since it uses less digits than its factorization.

385579798128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215252 (or 18215233 counting only the distinct ones).

The product of its digits is 304819200, while the sum is 72.

The spelling of 385579798128 in words is "three hundred eighty-five billion, five hundred seventy-nine million, seven hundred ninety-eight thousand, one hundred twenty-eight".