39467968444 has 18 divisors (see below), whose sum is σ = 72202511360. Its totient is φ = 18875983896.

The previous prime is 39467968399. The next prime is 39467968469. The reversal of 39467968444 is 44486976493.

It is a super-2 number, since 2×39467968444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9323964 + ... + 9328195.

Almost surely, 2^39467968444 is an apocalyptic number.

It is an amenable number.

39467968444 is a deficient number, since it is larger than the sum of its proper divisors (32734542916).

39467968444 is a wasteful number, since it uses less digits than its factorization.

39467968444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18652209 (or 18652184 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 64.

The spelling of 39467968444 in words is "thirty-nine billion, four hundred sixty-seven million, nine hundred sixty-eight thousand, four hundred forty-four".