1244331444 has 24 divisors (see below), whose sum is σ = 2997100288. Its totient is φ = 401397120.

The previous prime is 1244331443. The next prime is 1244331457. The reversal of 1244331444 is 4441334421.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244331443) 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 7 ways as a sum of consecutive naturals, for example, 1672117 + ... + 1672860.

Almost surely, 2^1244331444 is an apocalyptic number.

It is an amenable number.

1244331444 is an abundant number, since it is smaller than the sum of its proper divisors (1752768844).

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

1244331444 is a wasteful number, since it uses less digits than its factorization.

1244331444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345015 (or 3345013 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 1244331444 is about 35275.0824804138. The cubic root of 1244331444 is about 1075.5865395510.

Adding to 1244331444 its reverse (4441334421), we get a palindrome (5685665865).

The spelling of 1244331444 in words is "one billion, two hundred forty-four million, three hundred thirty-one thousand, four hundred forty-four".