39938984308 has 6 divisors (see below), whose sum is σ = 69893222546. Its totient is φ = 19969492152.

The previous prime is 39938984303. The next prime is 39938984341. The reversal of 39938984308 is 80348983993.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39927233124 + 11751184 = 199818^2 + 3428^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39938984308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39938984303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992373035 + ... + 4992373042.

Almost surely, 2^39938984308 is an apocalyptic number.

It is an amenable number.

39938984308 is a deficient number, since it is larger than the sum of its proper divisors (29954238238).

39938984308 is a wasteful number, since it uses less digits than its factorization.

39938984308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984746081 (or 9984746079 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 39938984308 in words is "thirty-nine billion, nine hundred thirty-eight million, nine hundred eighty-four thousand, three hundred eight".