383254981928 has 128 divisors (see below), whose sum is σ = 925216992000. Its totient is φ = 144743639040.

The previous prime is 383254981891. The next prime is 383254981931. The reversal of 383254981928 is 829189452383.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1776983 + ... + 1980953.

It is an arithmetic number, because the mean of its divisors is an integer number (7228257750).

Almost surely, 2^383254981928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 383254981928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462608496000).

383254981928 is an abundant number, since it is smaller than the sum of its proper divisors (541962010072).

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

383254981928 is a wasteful number, since it uses less digits than its factorization.

383254981928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204115 (or 204111 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 62.

The spelling of 383254981928 in words is "three hundred eighty-three billion, two hundred fifty-four million, nine hundred eighty-one thousand, nine hundred twenty-eight".