38307618908 has 24 divisors (see below), whose sum is σ = 72214396800. Its totient is φ = 17675720640.

The previous prime is 38307618907. The next prime is 38307618917. The reversal of 38307618908 is 80981670383.

It is a super-2 number, since 2×38307618908² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38307618908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38307618907) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 102293 + ... + 295091.

It is an arithmetic number, because the mean of its divisors is an integer number (3008933200).

Almost surely, 2^38307618908 is an apocalyptic number.

It is an amenable number.

38307618908 is a deficient number, since it is larger than the sum of its proper divisors (33906777892).

38307618908 is a wasteful number, since it uses less digits than its factorization.

38307618908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196637 (or 196635 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 38307618908 in words is "thirty-eight billion, three hundred seven million, six hundred eighteen thousand, nine hundred eight".