2244404440 has 32 divisors (see below), whose sum is σ = 5053086000. Its totient is φ = 897197184.

The previous prime is 2244404429. The next prime is 2244404441. The reversal of 2244404440 is 444044422.

It is a junction number, because it is equal to n+sod(n) for n = 2244404399 and 2244404408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2244404441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49951 + ... + 83569.

Almost surely, 2^2244404440 is an apocalyptic number.

2244404440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244404440 is an abundant number, since it is smaller than the sum of its proper divisors (2808681560).

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

2244404440 is a wasteful number, since it uses less digits than its factorization.

2244404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35299 (or 35295 counting only the distinct ones).

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

The square root of 2244404440 is about 47375.1458045250. The cubic root of 2244404440 is about 1309.2835349556.

Adding to 2244404440 its reverse (444044422), we get a palindrome (2688448862).

It can be divided in two parts, 2 and 244404440, that added together give a palindrome (244404442).

The spelling of 2244404440 in words is "two billion, two hundred forty-four million, four hundred four thousand, four hundred forty".