9439441216 has 56 divisors (see below), whose sum is σ = 19879421760. Its totient is φ = 4431747072.

The previous prime is 9439441183. The next prime is 9439441237. The reversal of 9439441216 is 6121449349.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467751 + ... + 487513.

Almost surely, 2^9439441216 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 9439441216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9939710880).

9439441216 is an abundant number, since it is smaller than the sum of its proper divisors (10439980544).

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

9439441216 is a wasteful number, since it uses less digits than its factorization.

9439441216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20231 (or 20221 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 9439441216 is about 97156.7867727211. The cubic root of 9439441216 is about 2113.4019091835.

The spelling of 9439441216 in words is "nine billion, four hundred thirty-nine million, four hundred forty-one thousand, two hundred sixteen".