39172668824 has 16 divisors (see below), whose sum is σ = 73571382000. Its totient is φ = 19553633632.

The previous prime is 39172668803. The next prime is 39172668893. The reversal of 39172668824 is 42886627193.

It is a self number, because there is not a number n which added to its sum of digits gives 39172668824.

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, 4082507 + ... + 4092090.

It is an arithmetic number, because the mean of its divisors is an integer number (4598211375).

Almost surely, 2^39172668824 is an apocalyptic number.

It is an amenable number.

39172668824 is a deficient number, since it is larger than the sum of its proper divisors (34398713176).

39172668824 is a wasteful number, since it uses less digits than its factorization.

39172668824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8175202 (or 8175198 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 56.

The spelling of 39172668824 in words is "thirty-nine billion, one hundred seventy-two million, six hundred sixty-eight thousand, eight hundred twenty-four".