320485803344 has 20 divisors (see below), whose sum is σ = 709647136224. Its totient is φ = 137351058528.

The previous prime is 320485803329. The next prime is 320485803437. The reversal of 320485803344 is 443308584023.

It is a super-2 number, since 2×320485803344² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 320485803295 and 320485803304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430740082 + ... + 1430740305.

Almost surely, 2^320485803344 is an apocalyptic number.

It is an amenable number.

320485803344 is an abundant number, since it is smaller than the sum of its proper divisors (389161332880).

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

320485803344 is a wasteful number, since it uses less digits than its factorization.

320485803344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2861480402 (or 2861480396 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 320485803344 in words is "three hundred twenty billion, four hundred eighty-five million, eight hundred three thousand, three hundred forty-four".