328474189888 has 112 divisors (see below), whose sum is σ = 712678385664. Its totient is φ = 149305282560.

The previous prime is 328474189871. The next prime is 328474189903. The reversal of 328474189888 is 888981474823.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14464623 + ... + 14487313.

It is an arithmetic number, because the mean of its divisors is an integer number (6363199872).

Almost surely, 2^328474189888 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 328474189888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356339192832).

328474189888 is an abundant number, since it is smaller than the sum of its proper divisors (384204195776).

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

328474189888 is a wasteful number, since it uses less digits than its factorization.

328474189888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22980 (or 22970 counting only the distinct ones).

The product of its digits is 198180864, while the sum is 70.

The spelling of 328474189888 in words is "three hundred twenty-eight billion, four hundred seventy-four million, one hundred eighty-nine thousand, eight hundred eighty-eight".