4444425216 has 264 divisors, whose sum is σ = 16002365184. Its totient is φ = 1154211840.

The previous prime is 4444425191. The next prime is 4444425221. The reversal of 4444425216 is 6125244444.

It is a tau number, because it is divible by the number of its divisors (264).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 706501 + ... + 712763.

Almost surely, 2^4444425216 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 4444425216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8001182592).

4444425216 is an abundant number, since it is smaller than the sum of its proper divisors (11557939968).

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

4444425216 is a wasteful number, since it uses less digits than its factorization.

4444425216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307 (or 6286 counting only the distinct ones).

The product of its digits is 122880, while the sum is 36.

The square root of 4444425216 is about 66666.5224531774. The cubic root of 4444425216 is about 1644.1390118125.

The spelling of 4444425216 in words is "four billion, four hundred forty-four million, four hundred twenty-five thousand, two hundred sixteen".