1244345044 has 12 divisors (see below), whose sum is σ = 2179663668. Its totient is φ = 621584000.

The previous prime is 1244345033. The next prime is 1244345071. The reversal of 1244345044 is 4405434421.

It can be written as a sum of positive squares in 2 ways, for example, as 853808400 + 390536644 = 29220^2 + 19762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1244344997 and 1244345015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142357 + ... + 150844.

It is an arithmetic number, because the mean of its divisors is an integer number (181638639).

Almost surely, 2^1244345044 is an apocalyptic number.

It is an amenable number.

1244345044 is a deficient number, since it is larger than the sum of its proper divisors (935318624).

1244345044 is a wasteful number, since it uses less digits than its factorization.

1244345044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294266 (or 294264 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

The square root of 1244345044 is about 35275.2752505207. The cubic root of 1244345044 is about 1075.5904581006.

Adding to 1244345044 its reverse (4405434421), we get a palindrome (5649779465).

The spelling of 1244345044 in words is "one billion, two hundred forty-four million, three hundred forty-five thousand, forty-four".