1244442304 has 56 divisors (see below), whose sum is σ = 2826073088. Its totient is φ = 532604160.

The previous prime is 1244442293. The next prime is 1244442319. The reversal of 1244442304 is 4032444421.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

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 7 ways as a sum of consecutive naturals, for example, 442567 + ... + 445369.

Almost surely, 2^1244442304 is an apocalyptic number.

1244442304 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1244442304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1413036544).

1244442304 is an abundant number, since it is smaller than the sum of its proper divisors (1581630784).

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

1244442304 is an equidigital number, since it uses as much as digits as its factorization.

1244442304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813 (or 3803 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1244442304 is about 35276.6538095665. The cubic root of 1244442304 is about 1075.6184806611.

Adding to 1244442304 its reverse (4032444421), we get a palindrome (5276886725).

The spelling of 1244442304 in words is "one billion, two hundred forty-four million, four hundred forty-two thousand, three hundred four".