324445644072 has 256 divisors, whose sum is σ = 1009961568000. Its totient is φ = 95651020800.

The previous prime is 324445644059. The next prime is 324445644077. The reversal of 324445644072 is 270446544423.

324445644072 is a `hidden beast` number, since 3 + 2 + 4 + 44 + 564 + 40 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (324445644077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 36331704 + ... + 36340632.

It is an arithmetic number, because the mean of its divisors is an integer number (3945162375).

Almost surely, 2^324445644072 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 324445644072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (504980784000).

324445644072 is an abundant number, since it is smaller than the sum of its proper divisors (685515923928).

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

324445644072 is a wasteful number, since it uses less digits than its factorization.

324445644072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9369 (or 9359 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 45.

The spelling of 324445644072 in words is "three hundred twenty-four billion, four hundred forty-five million, six hundred forty-four thousand, seventy-two".