322432400444 has 96 divisors (see below), whose sum is σ = 729705715200. Its totient is φ = 120964757760.

The previous prime is 322432400443. The next prime is 322432400491. The reversal of 322432400444 is 444004234223.

It is a self number, because there is not a number n which added to its sum of digits gives 322432400444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322432400443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3283247 + ... + 3380025.

It is an arithmetic number, because the mean of its divisors is an integer number (7601101200).

Almost surely, 2^322432400444 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 322432400444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364852857600).

322432400444 is an abundant number, since it is smaller than the sum of its proper divisors (407273314756).

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

322432400444 is a wasteful number, since it uses less digits than its factorization.

322432400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97203 (or 97201 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 322432400444 its reverse (444004234223), we get a palindrome (766436634667).

The spelling of 322432400444 in words is "three hundred twenty-two billion, four hundred thirty-two million, four hundred thousand, four hundred forty-four".