320839792896 has 288 divisors, whose sum is σ = 993904386048. Its totient is φ = 89982443520.

The previous prime is 320839792883. The next prime is 320839792943. The reversal of 320839792896 is 698297938023.

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, 290878681 + ... + 290879783.

It is an arithmetic number, because the mean of its divisors is an integer number (3451056896).

Almost surely, 2^320839792896 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 320839792896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496952193024).

320839792896 is an abundant number, since it is smaller than the sum of its proper divisors (673064593152).

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

320839792896 is a wasteful number, since it uses less digits than its factorization.

320839792896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2063 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 320839792896 in words is "three hundred twenty billion, eight hundred thirty-nine million, seven hundred ninety-two thousand, eight hundred ninety-six".