39871983320960 has 128 divisors (see below), whose sum is σ = 109899990820800. Its totient is φ = 13549417168896.

The previous prime is 39871983320959. The next prime is 39871983320963. The reversal of 39871983320960 is 6902338917893.

39871983320960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39871983320963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38874275 + ... + 39886754.

Almost surely, 2^{39871983320960} is an apocalyptic number.

It is an amenable number.

39871983320960 is an abundant number, since it is smaller than the sum of its proper divisors (70028007499840).

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

39871983320960 is a wasteful number, since it uses less digits than its factorization.

39871983320960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78761168 (or 78761156 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 39871983320960 in words is "thirty-nine trillion, eight hundred seventy-one billion, nine hundred eighty-three million, three hundred twenty thousand, nine hundred sixty".