320303504452 has 24 divisors (see below), whose sum is σ = 584922586752. Its totient is φ = 153183254400.

The previous prime is 320303504393. The next prime is 320303504471. The reversal of 320303504452 is 254405303023.

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 7 ways as a sum of consecutive naturals, for example, 4119052 + ... + 4196092.

It is an arithmetic number, because the mean of its divisors is an integer number (24371774448).

Almost surely, 2^320303504452 is an apocalyptic number.

It is an amenable number.

320303504452 is a deficient number, since it is larger than the sum of its proper divisors (264619082300).

320303504452 is a wasteful number, since it uses less digits than its factorization.

320303504452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122259 (or 122257 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 320303504452 its reverse (254405303023), we get a palindrome (574708807475).

The spelling of 320303504452 in words is "three hundred twenty billion, three hundred three million, five hundred four thousand, four hundred fifty-two".