4444488888 has 128 divisors (see below), whose sum is σ = 13061744640. Its totient is φ = 1233792000.

The previous prime is 4444488883. The next prime is 4444488907. The reversal of 4444488888 is 8888844444.

It is a Cunningham number, because it is equal to 66667²-1.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444488883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865458 + ... + 1867838.

It is an arithmetic number, because the mean of its divisors is an integer number (102044880).

Almost surely, 2^4444488888 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 4444488888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6530872320).

4444488888 is an abundant number, since it is smaller than the sum of its proper divisors (8617255752).

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

4444488888 is a wasteful number, since it uses less digits than its factorization.

4444488888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2709 (or 2705 counting only the distinct ones).

The product of its digits is 33554432, while the sum is 60.

The square root of 4444488888 is about 66666.9999925000. Note that the first 5 decimals coincide. The cubic root of 4444488888 is about 1644.1468632304.

Subtracting 4444488888 from its reverse (8888844444), we obtain a square (4444355556 = 66666²).

The spelling of 4444488888 in words is "four billion, four hundred forty-four million, four hundred eighty-eight thousand, eight hundred eighty-eight".