39669970304 has 16 divisors (see below), whose sum is σ = 79030019220. Its totient is φ = 19834985088.

The previous prime is 39669970273. The next prime is 39669970309. The reversal of 39669970304 is 40307996693.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 39669970304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39669970309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 154960694 + ... + 154960949.

Almost surely, 2^39669970304 is an apocalyptic number.

It is an amenable number.

39669970304 is a deficient number, since it is larger than the sum of its proper divisors (39360048916).

39669970304 is an equidigital number, since it uses as much as digits as its factorization.

39669970304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309921657 (or 309921645 counting only the distinct ones).

The product of its (nonzero) digits is 6613488, while the sum is 56.

The spelling of 39669970304 in words is "thirty-nine billion, six hundred sixty-nine million, nine hundred seventy thousand, three hundred four".