39940842079035 has 48 divisors (see below), whose sum is σ = 70479403419360. Its totient is φ = 20918722936320.

The previous prime is 39940842079009. The next prime is 39940842079063. The reversal of 39940842079035 is 53097024804993.

39940842079035 is a `hidden beast` number, since 3 + 9 + 94 + 0 + 8 + 420 + 7 + 90 + 35 = 666.

39940842079035 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39940842079035 - 2²³ = 39940833690427 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 10053994 + ... + 13452303.

It is an arithmetic number, because the mean of its divisors is an integer number (1468320904570).

Almost surely, 2^{39940842079035} is an apocalyptic number.

39940842079035 is a deficient number, since it is larger than the sum of its proper divisors (30538561340325).

39940842079035 is a wasteful number, since it uses less digits than its factorization.

39940842079035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23506988 (or 23506985 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 39940842079035 in words is "thirty-nine trillion, nine hundred forty billion, eight hundred forty-two million, seventy-nine thousand, thirty-five".