2444408928 has 144 divisors (see below), whose sum is σ = 7763582736. Its totient is φ = 752094720.

The previous prime is 2444408909. The next prime is 2444408933. The reversal of 2444408928 is 8298044442.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×2444408928² = 11950270014572218368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

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 23 ways as a sum of consecutive naturals, for example, 88998 + ... + 113178.

It is an arithmetic number, because the mean of its divisors is an integer number (53913769).

Almost surely, 2^2444408928 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 2444408928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3881791368).

2444408928 is an abundant number, since it is smaller than the sum of its proper divisors (5319173808).

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

2444408928 is a wasteful number, since it uses less digits than its factorization.

2444408928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24219 (or 24199 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 2444408928 is about 49440.9640682704. The cubic root of 2444408928 is about 1347.0734827299.

The spelling of 2444408928 in words is "two billion, four hundred forty-four million, four hundred eight thousand, nine hundred twenty-eight".