32444720000 has 640 divisors, whose sum is σ = 105536217600. Its totient is φ = 9630720000.

The previous prime is 32444719961. The next prime is 32444720029. The reversal of 32444720000 is 2744423.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

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 79 ways as a sum of consecutive naturals, for example, 141679886 + ... + 141680114.

It is an arithmetic number, because the mean of its divisors is an integer number (164900340).

Almost surely, 2^32444720000 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 32444720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52768108800).

32444720000 is an abundant number, since it is smaller than the sum of its proper divisors (73091497600).

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

32444720000 is a wasteful number, since it uses less digits than its factorization.

32444720000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The spelling of 32444720000 in words is "thirty-two billion, four hundred forty-four million, seven hundred twenty thousand".