1244013442004 has 12 divisors (see below), whose sum is σ = 2177308192500. Its totient is φ = 621925387008.

The previous prime is 1244013441953. The next prime is 1244013442019. The reversal of 1244013442004 is 4002443104421.

It can be written as a sum of positive squares in 2 ways, for example, as 241808227600 + 1002205214404 = 491740^2 + 1001102^2 .

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, 20299079 + ... + 20360270.

It is an arithmetic number, because the mean of its divisors is an integer number (181442349375).

Almost surely, 2^{1244013442004} is an apocalyptic number.

It is an amenable number.

1244013442004 is a deficient number, since it is larger than the sum of its proper divisors (933294750496).

1244013442004 is a wasteful number, since it uses less digits than its factorization.

1244013442004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40667002 (or 40667000 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 1244013442004 its reverse (4002443104421), we get a palindrome (5246456546425).

The spelling of 1244013442004 in words is "one trillion, two hundred forty-four billion, thirteen million, four hundred forty-two thousand, four".