320443444222304 has 48 divisors (see below), whose sum is σ = 683155326344400. Its totient is φ = 147079863866880.

The previous prime is 320443444222301. The next prime is 320443444222313. The reversal of 320443444222304 is 403222444344023.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320443444222301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2127816254 + ... + 2127966845.

It is an arithmetic number, because the mean of its divisors is an integer number (14232402632175).

Almost surely, 2^{320443444222304} is an apocalyptic number.

It is an amenable number.

320443444222304 is an abundant number, since it is smaller than the sum of its proper divisors (362711882122096).

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

320443444222304 is a wasteful number, since it uses less digits than its factorization.

320443444222304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4255783303 (or 4255783295 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 41.

Adding to 320443444222304 its reverse (403222444344023), we get a palindrome (723665888566327).

The spelling of 320443444222304 in words is "three hundred twenty trillion, four hundred forty-three billion, four hundred forty-four million, two hundred twenty-two thousand, three hundred four".