328656679069344 has 192 divisors, whose sum is σ = 897865986124800. Its totient is φ = 105177229903872.

The previous prime is 328656679069181. The next prime is 328656679069351. The reversal of 328656679069344 is 443960976656823.

It is a self number, because there is not a number n which added to its sum of digits gives 328656679069344.

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, 1970008717 + ... + 1970175539.

It is an arithmetic number, because the mean of its divisors is an integer number (4676385344400).

Almost surely, 2^{328656679069344} 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 328656679069344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448932993062400).

328656679069344 is an abundant number, since it is smaller than the sum of its proper divisors (569209307055456).

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

328656679069344 is a wasteful number, since it uses less digits than its factorization.

328656679069344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175027 (or 175019 counting only the distinct ones).

The product of its (nonzero) digits is 8465264640, while the sum is 78.

The spelling of 328656679069344 in words is "three hundred twenty-eight trillion, six hundred fifty-six billion, six hundred seventy-nine million, sixty-nine thousand, three hundred forty-four".