1244404441 has 12 divisors (see below), whose sum is σ = 1451051280. Its totient is φ = 1064069160.

The previous prime is 1244404423. The next prime is 1244404493. The reversal of 1244404441 is 1444044421.

It is not a de Polignac number, because 1244404441 - 2⁵ = 1244404409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1244404541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9775 + ... + 50836.

It is an arithmetic number, because the mean of its divisors is an integer number (120920940).

Almost surely, 2^1244404441 is an apocalyptic number.

It is an amenable number.

1244404441 is a deficient number, since it is larger than the sum of its proper divisors (206646839).

1244404441 is an equidigital number, since it uses as much as digits as its factorization.

1244404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61044 (or 61037 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 1244404441 is about 35276.1171474413. The cubic root of 1244404441 is about 1075.6075717435.

Adding to 1244404441 its reverse (1444044421), we get a palindrome (2688448862).

It can be divided in two parts, 124440 and 4441, that added together give a square (128881 = 359²).

The spelling of 1244404441 in words is "one billion, two hundred forty-four million, four hundred four thousand, four hundred forty-one".