328566819930 has 128 divisors (see below), whose sum is σ = 833985331200. Its totient is φ = 82675617024.

The previous prime is 328566819871. The next prime is 328566819967. The reversal of 328566819930 is 39918665823.

It is a Curzon number.

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, 93155827 + ... + 93159353.

It is an arithmetic number, because the mean of its divisors is an integer number (6515510400).

Almost surely, 2^328566819930 is an apocalyptic number.

328566819930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 328566819930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416992665600).

328566819930 is an abundant number, since it is smaller than the sum of its proper divisors (505418511270).

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

328566819930 is a wasteful number, since it uses less digits than its factorization.

328566819930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348.

The product of its (nonzero) digits is 16796160, while the sum is 60.

The spelling of 328566819930 in words is "three hundred twenty-eight billion, five hundred sixty-six million, eight hundred nineteen thousand, nine hundred thirty".