322421420240 has 40 divisors (see below), whose sum is σ = 749835355680. Its totient is φ = 128933204096.

The previous prime is 322421420213. The next prime is 322421420263. The reversal of 322421420240 is 42024124223.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258014 + ... + 843453.

It is an arithmetic number, because the mean of its divisors is an integer number (18745883892).

Almost surely, 2^322421420240 is an apocalyptic number.

It is an amenable number.

322421420240 is an abundant number, since it is smaller than the sum of its proper divisors (427413935440).

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

322421420240 is a wasteful number, since it uses less digits than its factorization.

322421420240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105139 (or 1105133 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 322421420240 its reverse (42024124223), we get a palindrome (364445544463).

The spelling of 322421420240 in words is "three hundred twenty-two billion, four hundred twenty-one million, four hundred twenty thousand, two hundred forty".