320340524412 has 48 divisors (see below), whose sum is σ = 758273709312. Its totient is φ = 105236664960.

The previous prime is 320340524377. The next prime is 320340524479. The reversal of 320340524412 is 214425043023.

It is a self number, because there is not a number n which added to its sum of digits gives 320340524412.

It is a congruent number.

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, 2242183 + ... + 2380769.

It is an arithmetic number, because the mean of its divisors is an integer number (15797368944).

Almost surely, 2^320340524412 is an apocalyptic number.

It is an amenable number.

320340524412 is an abundant number, since it is smaller than the sum of its proper divisors (437933184900).

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

320340524412 is a wasteful number, since it uses less digits than its factorization.

320340524412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141378 (or 141376 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 320340524412 its reverse (214425043023), we get a palindrome (534765567435).

The spelling of 320340524412 in words is "three hundred twenty billion, three hundred forty million, five hundred twenty-four thousand, four hundred twelve".