39937068864 has 504 divisors, whose sum is σ = 147628563264. Its totient is φ = 10027929600.

The previous prime is 39937068827. The next prime is 39937068881. The reversal of 39937068864 is 46886073993.

It is a tau number, because it is divible by the number of its divisors (504).

It is a Harshad number since it is a multiple of its sum of digits (63).

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 71 ways as a sum of consecutive naturals, for example, 42621804 + ... + 42622740.

It is an arithmetic number, because the mean of its divisors is an integer number (292913816).

Almost surely, 2^39937068864 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 39937068864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73814281632).

39937068864 is an abundant number, since it is smaller than the sum of its proper divisors (107691494400).

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

39937068864 is a wasteful number, since it uses less digits than its factorization.

39937068864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035 (or 991 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 39937068864 in words is "thirty-nine billion, nine hundred thirty-seven million, sixty-eight thousand, eight hundred sixty-four".