38448689916 has 96 divisors (see below), whose sum is σ = 110745456640. Its totient is φ = 10110127104.

The previous prime is 38448689849. The next prime is 38448689941. The reversal of 38448689916 is 61998684483.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 315765 + ... + 420243.

Almost surely, 2^38448689916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38448689916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55372728320).

38448689916 is an abundant number, since it is smaller than the sum of its proper divisors (72296766724).

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

38448689916 is a wasteful number, since it uses less digits than its factorization.

38448689916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104843 (or 104841 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 66.

The spelling of 38448689916 in words is "thirty-eight billion, four hundred forty-eight million, six hundred eighty-nine thousand, nine hundred sixteen".