320828593960 has 256 divisors, whose sum is σ = 857013696000. Its totient is φ = 105804361728.

The previous prime is 320828593951. The next prime is 320828593963. The reversal of 320828593960 is 69395828023.

It is not an unprimeable number, because it can be changed into a prime (320828593963) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 473897142 + ... + 473897818.

It is an arithmetic number, because the mean of its divisors is an integer number (3347709750).

Almost surely, 2^320828593960 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 320828593960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (428506848000).

320828593960 is an abundant number, since it is smaller than the sum of its proper divisors (536185102040).

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

320828593960 is a wasteful number, since it uses less digits than its factorization.

320828593960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 55.

The spelling of 320828593960 in words is "three hundred twenty billion, eight hundred twenty-eight million, five hundred ninety-three thousand, nine hundred sixty".