328904708280 has 512 divisors, whose sum is σ = 1095669504000. Its totient is φ = 78683996160.

The previous prime is 328904708263. The next prime is 328904708281. The reversal of 328904708280 is 82807409823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328904708281) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 533070532 + ... + 533071148.

It is an arithmetic number, because the mean of its divisors is an integer number (2139979500).

Almost surely, 2^328904708280 is an apocalyptic number.

328904708280 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 328904708280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547834752000).

328904708280 is an abundant number, since it is smaller than the sum of its proper divisors (766764795720).

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

328904708280 is a wasteful number, since it uses less digits than its factorization.

328904708280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 328904708280 in words is "three hundred twenty-eight billion, nine hundred four million, seven hundred eight thousand, two hundred eighty".