39500944912 has 80 divisors (see below), whose sum is σ = 89969241600. Its totient is φ = 16563456000.

The previous prime is 39500944907. The next prime is 39500944913. The reversal of 39500944912 is 21944900593.

It is not an unprimeable number, because it can be changed into a prime (39500944913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4459464 + ... + 4468312.

It is an arithmetic number, because the mean of its divisors is an integer number (1124615520).

Almost surely, 2^39500944912 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 39500944912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44984620800).

39500944912 is an abundant number, since it is smaller than the sum of its proper divisors (50468296688).

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

39500944912 is a wasteful number, since it uses less digits than its factorization.

39500944912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10832 (or 10826 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 39500944912 in words is "thirty-nine billion, five hundred million, nine hundred forty-four thousand, nine hundred twelve".