38044166218 has 4 divisors (see below), whose sum is σ = 57066249330. Its totient is φ = 19022083108.

The previous prime is 38044166201. The next prime is 38044166219. The reversal of 38044166218 is 81266144083.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 37722573729 + 321592489 = 194223^2 + 17933^2 .

It is not an unprimeable number, because it can be changed into a prime (38044166219) 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 as a sum of consecutive naturals, namely, 9511041553 + ... + 9511041556.

Almost surely, 2^38044166218 is an apocalyptic number.

38044166218 is a deficient number, since it is larger than the sum of its proper divisors (19022083112).

38044166218 is a wasteful number, since it uses less digits than its factorization.

38044166218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19022083111.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 38044166218 in words is "thirty-eight billion, forty-four million, one hundred sixty-six thousand, two hundred eighteen".