320485804300 has 72 divisors (see below), whose sum is σ = 714358403136. Its totient is φ = 124741224960.

The previous prime is 320485804273. The next prime is 320485804339. The reversal of 320485804300 is 3408584023.

It is a super-2 number, since 2×320485804300² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 320485804300.

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 23 ways as a sum of consecutive naturals, for example, 616024 + ... + 1010176.

It is an arithmetic number, because the mean of its divisors is an integer number (9921644488).

Almost surely, 2^320485804300 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 320485804300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357179201568).

320485804300 is an abundant number, since it is smaller than the sum of its proper divisors (393872598836).

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

320485804300 is a wasteful number, since it uses less digits than its factorization.

320485804300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394387 (or 394380 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 320485804300 in words is "three hundred twenty billion, four hundred eighty-five million, eight hundred four thousand, three hundred".