38464244218 has 8 divisors (see below), whose sum is σ = 59103594900. Its totient is φ = 18763045920.

The previous prime is 38464244173. The next prime is 38464244219. The reversal of 38464244218 is 81244246483.

It can be written as a sum of positive squares in 2 ways, for example, as 33695374969 + 4768869249 = 183563^2 + 69057^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38464244219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234537993 + ... + 234538156.

Almost surely, 2^38464244218 is an apocalyptic number.

38464244218 is a deficient number, since it is larger than the sum of its proper divisors (20639350682).

38464244218 is a wasteful number, since it uses less digits than its factorization.

38464244218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469076192.

The product of its digits is 1179648, while the sum is 46.

The spelling of 38464244218 in words is "thirty-eight billion, four hundred sixty-four million, two hundred forty-four thousand, two hundred eighteen".