39939152761344 has 160 divisors (see below), whose sum is σ = 108007676441280. Its totient is φ = 13112015634432.

The previous prime is 39939152761309. The next prime is 39939152761357. The reversal of 39939152761344 is 44316725193993.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635244342 + ... + 635307210.

It is an arithmetic number, because the mean of its divisors is an integer number (675047977758).

Almost surely, 2^{39939152761344} 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 39939152761344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54003838220640).

39939152761344 is an abundant number, since it is smaller than the sum of its proper divisors (68068523679936).

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

39939152761344 is an equidigital number, since it uses as much as digits as its factorization.

39939152761344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69130 (or 69114 counting only the distinct ones).

The product of its digits is 132269760, while the sum is 66.

The spelling of 39939152761344 in words is "thirty-nine trillion, nine hundred thirty-nine billion, one hundred fifty-two million, seven hundred sixty-one thousand, three hundred forty-four".