39441531868 has 12 divisors (see below), whose sum is σ = 69277378912. Its totient is φ = 19647995040.

The previous prime is 39441531851. The next prime is 39441531971. The reversal of 39441531868 is 86813514493.

39441531868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

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, 18191505 + ... + 18193672.

Almost surely, 2^39441531868 is an apocalyptic number.

It is an amenable number.

39441531868 is a deficient number, since it is larger than the sum of its proper divisors (29835847044).

39441531868 is a wasteful number, since it uses less digits than its factorization.

39441531868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36385452 (or 36385450 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 39441531868 in words is "thirty-nine billion, four hundred forty-one million, five hundred thirty-one thousand, eight hundred sixty-eight".