320685846528 has 208 divisors, whose sum is σ = 864868948992. Its totient is φ = 105676800000.

The previous prime is 320685846487. The next prime is 320685846553. The reversal of 320685846528 is 825648586023.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744050473 + ... + 744050903.

Almost surely, 2^320685846528 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 320685846528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432434474496).

320685846528 is an abundant number, since it is smaller than the sum of its proper divisors (544183102464).

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

320685846528 is a wasteful number, since it uses less digits than its factorization.

320685846528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 988 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 320685846528 in words is "three hundred twenty billion, six hundred eighty-five million, eight hundred forty-six thousand, five hundred twenty-eight".