321404224033420 has 48 divisors (see below), whose sum is σ = 750200459829408. Its totient is φ = 114669088501760.

The previous prime is 321404224033357. The next prime is 321404224033433. The reversal of 321404224033420 is 24330422404123.

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 15 ways as a sum of consecutive naturals, for example, 13782330709 + ... + 13782354028.

It is an arithmetic number, because the mean of its divisors is an integer number (15629176246446).

Almost surely, 2^{321404224033420} is an apocalyptic number.

It is an amenable number.

321404224033420 is an abundant number, since it is smaller than the sum of its proper divisors (428796235795988).

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

321404224033420 is a wasteful number, since it uses less digits than its factorization.

321404224033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27564684810 (or 27564684808 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 321404224033420 its reverse (24330422404123), we get a palindrome (345734646437543).

The spelling of 321404224033420 in words is "three hundred twenty-one trillion, four hundred four billion, two hundred twenty-four million, thirty-three thousand, four hundred twenty".