38706681924 has 48 divisors (see below), whose sum is σ = 100366156800. Its totient is φ = 12900234528.

The previous prime is 38706681841. The next prime is 38706681947. The reversal of 38706681924 is 42918660783.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 784662 + ... + 832530.

It is an arithmetic number, because the mean of its divisors is an integer number (2090961600).

Almost surely, 2^38706681924 is an apocalyptic number.

It is an amenable number.

38706681924 is an abundant number, since it is smaller than the sum of its proper divisors (61659474876).

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

38706681924 is a wasteful number, since it uses less digits than its factorization.

38706681924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55369 (or 55361 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 38706681924 in words is "thirty-eight billion, seven hundred six million, six hundred eighty-one thousand, nine hundred twenty-four".