38818387672 has 16 divisors (see below), whose sum is σ = 73505116800. Its totient is φ = 19217023200.

The previous prime is 38818387669. The next prime is 38818387711. The reversal of 38818387672 is 27678381883.

It is a self number, because there is not a number n which added to its sum of digits gives 38818387672.

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, 24020472 + ... + 24022087.

It is an arithmetic number, because the mean of its divisors is an integer number (4594069800).

Almost surely, 2^38818387672 is an apocalyptic number.

It is an amenable number.

38818387672 is a deficient number, since it is larger than the sum of its proper divisors (34686729128).

38818387672 is a wasteful number, since it uses less digits than its factorization.

38818387672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48042666 (or 48042662 counting only the distinct ones).

The product of its digits is 21676032, while the sum is 61.

The spelling of 38818387672 in words is "thirty-eight billion, eight hundred eighteen million, three hundred eighty-seven thousand, six hundred seventy-two".