39942318384 has 30 divisors (see below), whose sum is σ = 111783016436. Its totient is φ = 13314106080.

The previous prime is 39942318349. The next prime is 39942318407. The reversal of 39942318384 is 48381324993.

39942318384 is a `hidden beast` number, since 39 + 9 + 423 + 183 + 8 + 4 = 666.

39942318384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 39942318384.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 138688462 + ... + 138688749.

Almost surely, 2^39942318384 is an apocalyptic number.

It is an amenable number.

39942318384 is an abundant number, since it is smaller than the sum of its proper divisors (71840698052).

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

39942318384 is a wasteful number, since it uses less digits than its factorization.

39942318384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277377225 (or 277377216 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 54.

The spelling of 39942318384 in words is "thirty-nine billion, nine hundred forty-two million, three hundred eighteen thousand, three hundred eighty-four".