1244013344 has 24 divisors (see below), whose sum is σ = 2799030528. Its totient is φ = 533148480.

The previous prime is 1244013311. The next prime is 1244013347. The reversal of 1244013344 is 4433104421.

It is not an unprimeable number, because it can be changed into a prime (1244013347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776592 + ... + 2777039.

It is an arithmetic number, because the mean of its divisors is an integer number (116626272).

Almost surely, 2^1244013344 is an apocalyptic number.

1244013344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1244013344 is an abundant number, since it is smaller than the sum of its proper divisors (1555017184).

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

1244013344 is an equidigital number, since it uses as much as digits as its factorization.

1244013344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5553648 (or 5553640 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 1244013344 is about 35270.5733437947. The cubic root of 1244013344 is about 1075.4948776820.

Adding to 1244013344 its reverse (4433104421), we get a palindrome (5677117765).

The spelling of 1244013344 in words is "one billion, two hundred forty-four million, thirteen thousand, three hundred forty-four".