38828161218 has 32 divisors (see below), whose sum is σ = 96818273280. Its totient is φ = 10085236560.

The previous prime is 38828161201. The next prime is 38828161237. The reversal of 38828161218 is 81216182883.

It is a super-4 number, since 4×38828161218⁴ (a number of 43 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42021358 + ... + 42022281.

It is an arithmetic number, because the mean of its divisors is an integer number (3025571040).

Almost surely, 2^38828161218 is an apocalyptic number.

38828161218 is an abundant number, since it is smaller than the sum of its proper divisors (57990112062).

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

38828161218 is a wasteful number, since it uses less digits than its factorization.

38828161218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84043662.

The product of its digits is 294912, while the sum is 48.

The spelling of 38828161218 in words is "thirty-eight billion, eight hundred twenty-eight million, one hundred sixty-one thousand, two hundred eighteen".