12444043004 has 24 divisors (see below), whose sum is σ = 23278153248. Its totient is φ = 5806338560.

The previous prime is 12444042973. The next prime is 12444043009. The reversal of 12444043004 is 40034044421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444043009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645757 + ... + 1653300.

It is an arithmetic number, because the mean of its divisors is an integer number (969923052).

Almost surely, 2^12444043004 is an apocalyptic number.

It is an amenable number.

12444043004 is a deficient number, since it is larger than the sum of its proper divisors (10834110244).

12444043004 is a wasteful number, since it uses less digits than its factorization.

12444043004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299125 (or 3299123 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 12444043004 its reverse (40034044421), we get a palindrome (52478087425).

The spelling of 12444043004 in words is "twelve billion, four hundred forty-four million, forty-three thousand, four".