39968343542 has 8 divisors (see below), whose sum is σ = 60051285696. Its totient is φ = 19951248312.

The previous prime is 39968343511. The next prime is 39968343577. The reversal of 39968343542 is 24534386993.

39968343542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16460213 + ... + 16462640.

It is an arithmetic number, because the mean of its divisors is an integer number (7506410712).

Almost surely, 2^39968343542 is an apocalyptic number.

39968343542 is a deficient number, since it is larger than the sum of its proper divisors (20082942154).

39968343542 is a wasteful number, since it uses less digits than its factorization.

39968343542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32923462.

The product of its digits is 16796160, while the sum is 56.

The spelling of 39968343542 in words is "thirty-nine billion, nine hundred sixty-eight million, three hundred forty-three thousand, five hundred forty-two".