328323880984320 has 576 divisors, whose sum is σ = 1270206836304000. Its totient is φ = 80818177130496.

The previous prime is 328323880984219. The next prime is 328323880984357. The reversal of 328323880984320 is 23489088323823.

328323880984320 is a `hidden beast` number, since 3 + 2 + 8 + 3 + 2 + 38 + 80 + 98 + 432 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a congruent 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, 31880706 + ... + 40902654.

Almost surely, 2^{328323880984320} is an apocalyptic number.

328323880984320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328323880984320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635103418152000).

328323880984320 is an abundant number, since it is smaller than the sum of its proper divisors (941882955319680).

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

328323880984320 is an frugal number, since it uses more digits than its factorization.

328323880984320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9022004 (or 9021972 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 63.

The spelling of 328323880984320 in words is "three hundred twenty-eight trillion, three hundred twenty-three billion, eight hundred eighty million, nine hundred eighty-four thousand, three hundred twenty".