39759993984 has 128 divisors (see below), whose sum is σ = 108647380800. Its totient is φ = 12873682944.

The previous prime is 39759993979. The next prime is 39759994063. The reversal of 39759993984 is 48939995793.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

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, 10071499 + ... + 10075445.

Almost surely, 2^39759993984 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 39759993984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54323690400).

39759993984 is an abundant number, since it is smaller than the sum of its proper divisors (68887386816).

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

39759993984 is a wasteful number, since it uses less digits than its factorization.

39759993984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710 (or 4698 counting only the distinct ones).

The product of its digits is 595213920, while the sum is 75.

The spelling of 39759993984 in words is "thirty-nine billion, seven hundred fifty-nine million, nine hundred ninety-three thousand, nine hundred eighty-four".