39985662899092 has 12 divisors (see below), whose sum is σ = 70509069693216. Its totient is φ = 19840214415320.

The previous prime is 39985662899059. The next prime is 39985662899099. The reversal of 39985662899092 is 29099826658993.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39985662899099) 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, 38154257968 + ... + 38154259015.

It is an arithmetic number, because the mean of its divisors is an integer number (5875755807768).

Almost surely, 2^{39985662899092} is an apocalyptic number.

It is an amenable number.

39985662899092 is a deficient number, since it is larger than the sum of its proper divisors (30523406794124).

39985662899092 is a wasteful number, since it uses less digits than its factorization.

39985662899092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76308517118 (or 76308517116 counting only the distinct ones).

The product of its (nonzero) digits is 8162933760, while the sum is 85.

The spelling of 39985662899092 in words is "thirty-nine trillion, nine hundred eighty-five billion, six hundred sixty-two million, eight hundred ninety-nine thousand, ninety-two".