44440004440 has 64 divisors (see below), whose sum is σ = 107825880960. Its totient is φ = 16386624000.

The previous prime is 44440004377. The next prime is 44440004447. The reversal of 44440004440 is 4440004444.

It is a junction number, because it is equal to n+sod(n) for n = 44440004399 and 44440004408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44440004447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333622 + ... + 447418.

It is an arithmetic number, because the mean of its divisors is an integer number (1684779390).

Almost surely, 2^44440004440 is an apocalyptic number.

44440004440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44440004440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53912940480).

44440004440 is an abundant number, since it is smaller than the sum of its proper divisors (63385876520).

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

44440004440 is a wasteful number, since it uses less digits than its factorization.

44440004440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114572 (or 114568 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 44440004440 its reverse (4440004444), we get a palindrome (48880008884).

The spelling of 44440004440 in words is "forty-four billion, four hundred forty million, four thousand, four hundred forty".