12404144044 has 24 divisors (see below), whose sum is σ = 23035395600. Its totient is φ = 5824229376.

The previous prime is 12404144041. The next prime is 12404144047. The reversal of 12404144044 is 44044140421.

It is an interprime number because it is at equal distance from previous prime (12404144041) and next prime (12404144047).

It is not an unprimeable number, because it can be changed into a prime (12404144041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172602 + ... + 233665.

It is an arithmetic number, because the mean of its divisors is an integer number (959808150).

Almost surely, 2^12404144044 is an apocalyptic number.

It is an amenable number.

12404144044 is a deficient number, since it is larger than the sum of its proper divisors (10631251556).

12404144044 is a wasteful number, since it uses less digits than its factorization.

12404144044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406737 (or 406735 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 12404144044 its reverse (44044140421), we get a palindrome (56448284465).

The spelling of 12404144044 in words is "twelve billion, four hundred four million, one hundred forty-four thousand, forty-four".