2444244440 has 64 divisors (see below), whose sum is σ = 6059020320. Its totient is φ = 880000000.

The previous prime is 2444244421. The next prime is 2444244443. The reversal of 2444244440 is 444424442.

It is a junction number, because it is equal to n+sod(n) for n = 2444244397 and 2444244406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2444244443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16940 + ... + 71940.

Almost surely, 2^2444244440 is an apocalyptic number.

2444244440 is a gapful number since it is divisible by the number (20) 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 2444244440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3029510160).

2444244440 is an abundant number, since it is smaller than the sum of its proper divisors (3614775880).

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

2444244440 is a wasteful number, since it uses less digits than its factorization.

2444244440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55124 (or 55120 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

The square root of 2444244440 is about 49439.3005613955. The cubic root of 2444244440 is about 1347.0432665100.

Adding to 2444244440 its reverse (444424442), we get a palindrome (2888668882).

The spelling of 2444244440 in words is "two billion, four hundred forty-four million, two hundred forty-four thousand, four hundred forty".