39445504000 has 224 divisors, whose sum is σ = 112534695936. Its totient is φ = 13521715200.

The previous prime is 39445503989. The next prime is 39445504001. The reversal of 39445504000 is 40554493.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (39445504001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7165249 + ... + 7170751.

Almost surely, 2^39445504000 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 39445504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56267347968).

39445504000 is an abundant number, since it is smaller than the sum of its proper divisors (73089191936).

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

39445504000 is an frugal number, since it uses more digits than its factorization.

39445504000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5551 (or 5517 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 39445504000 in words is "thirty-nine billion, four hundred forty-five million, five hundred four thousand".