320342321330044 has 24 divisors (see below), whose sum is σ = 616567217491008. Its totient is φ = 144704551041600.

The previous prime is 320342321330011. The next prime is 320342321330063. The reversal of 320342321330044 is 440033123243023.

It is a junction number, because it is equal to n+sod(n) for n = 320342321329991 and 320342321330009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65536479007 + ... + 65536483894.

It is an arithmetic number, because the mean of its divisors is an integer number (25690300728792).

Almost surely, 2^{320342321330044} is an apocalyptic number.

It is an amenable number.

320342321330044 is a deficient number, since it is larger than the sum of its proper divisors (296224896160964).

320342321330044 is a wasteful number, since it uses less digits than its factorization.

320342321330044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131072962965 (or 131072962963 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 34.

Adding to 320342321330044 its reverse (440033123243023), we get a palindrome (760375444573067).

The spelling of 320342321330044 in words is "three hundred twenty trillion, three hundred forty-two billion, three hundred twenty-one million, three hundred thirty thousand, forty-four".