38940563924 has 24 divisors (see below), whose sum is σ = 68245970688. Its totient is φ = 19441741760.

The previous prime is 38940563917. The next prime is 38940563927. The reversal of 38940563924 is 42936504983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38940563927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14788112 + ... + 14790744.

It is an arithmetic number, because the mean of its divisors is an integer number (2843582112).

Almost surely, 2^38940563924 is an apocalyptic number.

It is an amenable number.

38940563924 is a deficient number, since it is larger than the sum of its proper divisors (29305406764).

38940563924 is a wasteful number, since it uses less digits than its factorization.

38940563924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655 (or 6653 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 38940563924 in words is "thirty-eight billion, nine hundred forty million, five hundred sixty-three thousand, nine hundred twenty-four".