2244303440 has 40 divisors (see below), whose sum is σ = 5224079328. Its totient is φ = 896676480.

The previous prime is 2244303437. The next prime is 2244303473. The reversal of 2244303440 is 443034422.

It is a tau number, because it is divible by the number of its divisors (40).

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, 54755 + ... + 86525.

Almost surely, 2^2244303440 is an apocalyptic number.

2244303440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2244303440 is an abundant number, since it is smaller than the sum of its proper divisors (2979775888).

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

2244303440 is a wasteful number, since it uses less digits than its factorization.

2244303440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32667 (or 32661 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 2244303440 is about 47374.0798327524. The cubic root of 2244303440 is about 1309.2638950579.

Adding to 2244303440 its reverse (443034422), we get a palindrome (2687337862).

It can be divided in two parts, 2 and 244303440, that added together give a palindrome (244303442).

The spelling of 2244303440 in words is "two billion, two hundred forty-four million, three hundred three thousand, four hundred forty".