38538353872 has 40 divisors (see below), whose sum is σ = 76330864512. Its totient is φ = 18840864000.

The previous prime is 38538353797. The next prime is 38538353879. The reversal of 38538353872 is 27835383583.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38538353879) 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, 765972 + ... + 814732.

Almost surely, 2^38538353872 is an apocalyptic number.

It is an amenable number.

38538353872 is a deficient number, since it is larger than the sum of its proper divisors (37792510640).

38538353872 is a wasteful number, since it uses less digits than its factorization.

38538353872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49867 (or 49861 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 55.

The spelling of 38538353872 in words is "thirty-eight billion, five hundred thirty-eight million, three hundred fifty-three thousand, eight hundred seventy-two".