2444004440 has 32 divisors (see below), whose sum is σ = 5522040000. Its totient is φ = 973507584.

The previous prime is 2444004413. The next prime is 2444004461. The reversal of 2444004440 is 444004442.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 118265 + ... + 137384.

It is an arithmetic number, because the mean of its divisors is an integer number (172563750).

Almost surely, 2^2444004440 is an apocalyptic number.

2444004440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444004440 is an abundant number, since it is smaller than the sum of its proper divisors (3078035560).

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

2444004440 is a wasteful number, since it uses less digits than its factorization.

2444004440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255899 (or 255895 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 2444004440 is about 49436.8732830061. The cubic root of 2444004440 is about 1346.9991764072. Note that the first 3 decimals are identical.

Adding to 2444004440 its reverse (444004442), we get a palindrome (2888008882).

The spelling of 2444004440 in words is "two billion, four hundred forty-four million, four thousand, four hundred forty".