320006312704 has 144 divisors (see below), whose sum is σ = 694657978560. Its totient is φ = 146250547200.

The previous prime is 320006312693. The next prime is 320006312723. The reversal of 320006312704 is 407213600023.

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, 195482574 + ... + 195484210.

It is an arithmetic number, because the mean of its divisors is an integer number (4824013740).

Almost surely, 2^320006312704 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 320006312704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347328989280).

320006312704 is an abundant number, since it is smaller than the sum of its proper divisors (374651665856).

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

320006312704 is a wasteful number, since it uses less digits than its factorization.

320006312704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2206 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 320006312704 its reverse (407213600023), we get a palindrome (727219912727).

The spelling of 320006312704 in words is "three hundred twenty billion, six million, three hundred twelve thousand, seven hundred four".