38845168938 has 12 divisors (see below), whose sum is σ = 84164532738. Its totient is φ = 12948389640.

The previous prime is 38845168937. The next prime is 38845168961. The reversal of 38845168938 is 83986154883.

38845168938 is a `hidden beast` number, since 3 + 8 + 8 + 4 + 516 + 89 + 38 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34485604209 + 4359564729 = 185703^2 + 66027^2 .

It is not an unprimeable number, because it can be changed into a prime (38845168937) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1079032453 + ... + 1079032488.

Almost surely, 2^38845168938 is an apocalyptic number.

38845168938 is an abundant number, since it is smaller than the sum of its proper divisors (45319363800).

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

38845168938 is a wasteful number, since it uses less digits than its factorization.

38845168938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2158064949 (or 2158064946 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 38845168938 in words is "thirty-eight billion, eight hundred forty-five million, one hundred sixty-eight thousand, nine hundred thirty-eight".