1244130444 has 72 divisors (see below), whose sum is σ = 3327996672. Its totient is φ = 391073760.

The previous prime is 1244130403. The next prime is 1244130457. The reversal of 1244130444 is 4440314421.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48207 + ... + 69369.

It is an arithmetic number, because the mean of its divisors is an integer number (46222176).

Almost surely, 2^1244130444 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 1244130444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663998336).

1244130444 is an abundant number, since it is smaller than the sum of its proper divisors (2083866228).

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

1244130444 is a wasteful number, since it uses less digits than its factorization.

1244130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21267 (or 21262 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1244130444 is about 35272.2333287814. The cubic root of 1244130444 is about 1075.5286223625.

Adding to 1244130444 its reverse (4440314421), we get a palindrome (5684444865).

The spelling of 1244130444 in words is "one billion, two hundred forty-four million, one hundred thirty thousand, four hundred forty-four".