12440134104 has 32 divisors (see below), whose sum is σ = 31104468720. Its totient is φ = 4146160256.

The previous prime is 12440134079. The next prime is 12440134127. The reversal of 12440134104 is 40143104421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 176182 + ... + 236474.

Almost surely, 2^12440134104 is an apocalyptic number.

It is an amenable number.

12440134104 is an abundant number, since it is smaller than the sum of its proper divisors (18664334616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12440134104 is a wasteful number, since it uses less digits than its factorization.

12440134104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68899 (or 68895 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12440134104 its reverse (40143104421), we get a palindrome (52583238525).

The spelling of 12440134104 in words is "twelve billion, four hundred forty million, one hundred thirty-four thousand, one hundred four".