320404303032 has 64 divisors (see below), whose sum is σ = 882481772160. Its totient is φ = 96130896000.

The previous prime is 320404303019. The next prime is 320404303039. The reversal of 320404303032 is 230303404023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 320404302993 and 320404303011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320404303039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5981518 + ... + 6034845.

It is an arithmetic number, because the mean of its divisors is an integer number (13788777690).

Almost surely, 2^320404303032 is an apocalyptic number.

It is an amenable number.

320404303032 is an abundant number, since it is smaller than the sum of its proper divisors (562077469128).

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

320404303032 is a wasteful number, since it uses less digits than its factorization.

320404303032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12016484 (or 12016480 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 320404303032 its reverse (230303404023), we get a palindrome (550707707055).

The spelling of 320404303032 in words is "three hundred twenty billion, four hundred four million, three hundred three thousand, thirty-two".