12440234444 has 24 divisors (see below), whose sum is σ = 23759543808. Its totient is φ = 5652269840.

The previous prime is 12440234431. The next prime is 12440234501. The reversal of 12440234444 is 44443204421.

It is a self number, because there is not a number n which added to its sum of digits gives 12440234444.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48269 + ... + 164955.

It is an arithmetic number, because the mean of its divisors is an integer number (989980992).

Almost surely, 2^12440234444 is an apocalyptic number.

It is an amenable number.

12440234444 is a deficient number, since it is larger than the sum of its proper divisors (11319309364).

12440234444 is a wasteful number, since it uses less digits than its factorization.

12440234444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119125 (or 119123 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 12440234444 its reverse (44443204421), we get a palindrome (56883438865).

The spelling of 12440234444 in words is "twelve billion, four hundred forty million, two hundred thirty-four thousand, four hundred forty-four".