38186636908 has 48 divisors (see below), whose sum is σ = 78263373888. Its totient is φ = 15960960000.

The previous prime is 38186636843. The next prime is 38186636911. The reversal of 38186636908 is 80963668183.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5852688 + ... + 5859208.

It is an arithmetic number, because the mean of its divisors is an integer number (1630486956).

Almost surely, 2^38186636908 is an apocalyptic number.

It is an amenable number.

38186636908 is an abundant number, since it is smaller than the sum of its proper divisors (40076736980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38186636908 is a wasteful number, since it uses less digits than its factorization.

38186636908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11674 (or 11672 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 38186636908 in words is "thirty-eight billion, one hundred eighty-six million, six hundred thirty-six thousand, nine hundred eight".