320504240424 has 16 divisors (see below), whose sum is σ = 801260601120. Its totient is φ = 106834746800.

The previous prime is 320504240423. The next prime is 320504240429. The reversal of 320504240424 is 424042405023.

It is a junction number, because it is equal to n+sod(n) for n = 320504240391 and 320504240400.

It is not an unprimeable number, because it can be changed into a prime (320504240423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6677171652 + ... + 6677171699.

It is an arithmetic number, because the mean of its divisors is an integer number (50078787570).

Almost surely, 2^320504240424 is an apocalyptic number.

It is an amenable number.

320504240424 is an abundant number, since it is smaller than the sum of its proper divisors (480756360696).

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

320504240424 is a wasteful number, since it uses less digits than its factorization.

320504240424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13354343360 (or 13354343356 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 320504240424 its reverse (424042405023), we get a palindrome (744546645447).

The spelling of 320504240424 in words is "three hundred twenty billion, five hundred four million, two hundred forty thousand, four hundred twenty-four".