39442239968 has 24 divisors (see below), whose sum is σ = 78080937480. Its totient is φ = 19612160640.

The previous prime is 39442239953. The next prime is 39442239979. The reversal of 39442239968 is 86993224493.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399098 + ... + 3410681.

It is an arithmetic number, because the mean of its divisors is an integer number (3253372395).

Almost surely, 2^39442239968 is an apocalyptic number.

It is an amenable number.

39442239968 is a deficient number, since it is larger than the sum of its proper divisors (38638697512).

39442239968 is a wasteful number, since it uses less digits than its factorization.

39442239968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6809970 (or 6809962 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 59.

The spelling of 39442239968 in words is "thirty-nine billion, four hundred forty-two million, two hundred thirty-nine thousand, nine hundred sixty-eight".