39999042104 has 32 divisors (see below), whose sum is σ = 88028784480. Its totient is φ = 16679136384.

The previous prime is 39999042073. The next prime is 39999042137. The reversal of 39999042104 is 40124099993.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9650207 + ... + 9654350.

It is an arithmetic number, because the mean of its divisors is an integer number (2750899515).

Almost surely, 2^39999042104 is an apocalyptic number.

It is an amenable number.

39999042104 is an abundant number, since it is smaller than the sum of its proper divisors (48029742376).

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

39999042104 is a wasteful number, since it uses less digits than its factorization.

39999042104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19304607 (or 19304603 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 50.

The spelling of 39999042104 in words is "thirty-nine billion, nine hundred ninety-nine million, forty-two thousand, one hundred four".