39942886092 has 12 divisors (see below), whose sum is σ = 93200067576. Its totient is φ = 13314295360.

The previous prime is 39942886091. The next prime is 39942886121. The reversal of 39942886092 is 29068824993.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (39942886091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1664286909 + ... + 1664286932.

It is an arithmetic number, because the mean of its divisors is an integer number (7766672298).

Almost surely, 2^39942886092 is an apocalyptic number.

It is an amenable number.

39942886092 is an abundant number, since it is smaller than the sum of its proper divisors (53257181484).

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

39942886092 is a wasteful number, since it uses less digits than its factorization.

39942886092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328573848 (or 3328573846 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 39942886092 in words is "thirty-nine billion, nine hundred forty-two million, eight hundred eighty-six thousand, ninety-two".