39430442887868 has 12 divisors (see below), whose sum is σ = 69005252639232. Its totient is φ = 19714656419520.

The previous prime is 39430442887841. The next prime is 39430442887961. The reversal of 39430442887868 is 86878824403493.

It is a junction number, because it is equal to n+sod(n) for n = 39430442887795 and 39430442887804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141099068 + ... + 141378243.

It is an arithmetic number, because the mean of its divisors is an integer number (5750437719936).

Almost surely, 2^{39430442887868} is an apocalyptic number.

It is an amenable number.

39430442887868 is a deficient number, since it is larger than the sum of its proper divisors (29574809751364).

39430442887868 is a wasteful number, since it uses less digits than its factorization.

39430442887868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282512212 (or 282512210 counting only the distinct ones).

The product of its (nonzero) digits is 1783627776, while the sum is 74.

The spelling of 39430442887868 in words is "thirty-nine trillion, four hundred thirty billion, four hundred forty-two million, eight hundred eighty-seven thousand, eight hundred sixty-eight".