1244411444 has 12 divisors (see below), whose sum is σ = 2194344768. Its totient is φ = 617455800.

The previous prime is 1244411411. The next prime is 1244411477. The reversal of 1244411444 is 4441144421.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1244411411) and next prime (1244411477).

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

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 3 ways as a sum of consecutive naturals, for example, 1186892 + ... + 1187939.

It is an arithmetic number, because the mean of its divisors is an integer number (182862064).

Almost surely, 2^1244411444 is an apocalyptic number.

It is an amenable number.

1244411444 is a deficient number, since it is larger than the sum of its proper divisors (949933324).

1244411444 is a wasteful number, since it uses less digits than its factorization.

1244411444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374966 (or 2374964 counting only the distinct ones).

The product of its digits is 8192, while the sum is 29.

The square root of 1244411444 is about 35276.2164070922. The cubic root of 1244411444 is about 1075.6095894331.

Adding to 1244411444 its reverse (4441144421), we get a palindrome (5685555865).

The spelling of 1244411444 in words is "one billion, two hundred forty-four million, four hundred eleven thousand, four hundred forty-four".