39866223306 has 48 divisors (see below), whose sum is σ = 99884613024. Its totient is φ = 10514167776.

The previous prime is 39866223289. The next prime is 39866223367. The reversal of 39866223306 is 60332266893.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5211540 + ... + 5219183.

It is an arithmetic number, because the mean of its divisors is an integer number (2080929438).

Almost surely, 2^39866223306 is an apocalyptic number.

39866223306 is an abundant number, since it is smaller than the sum of its proper divisors (60018389718).

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

39866223306 is a wasteful number, since it uses less digits than its factorization.

39866223306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10430755 (or 10430748 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 48.

The spelling of 39866223306 in words is "thirty-nine billion, eight hundred sixty-six million, two hundred twenty-three thousand, three hundred six".