324220422440 has 128 divisors (see below), whose sum is σ = 789460214400. Its totient is φ = 119418209280.

The previous prime is 324220422391. The next prime is 324220422481. The reversal of 324220422440 is 44224022423.

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 31 ways as a sum of consecutive naturals, for example, 29829887 + ... + 29840753.

It is an arithmetic number, because the mean of its divisors is an integer number (6167657925).

Almost surely, 2^324220422440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 324220422440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394730107200).

324220422440 is an abundant number, since it is smaller than the sum of its proper divisors (465239791960).

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

324220422440 is a wasteful number, since it uses less digits than its factorization.

324220422440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11995 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 324220422440 its reverse (44224022423), we get a palindrome (368444444863).

The spelling of 324220422440 in words is "three hundred twenty-four billion, two hundred twenty million, four hundred twenty-two thousand, four hundred forty".