12440413142 has 16 divisors (see below), whose sum is σ = 18791460864. Its totient is φ = 6176625000.

The previous prime is 12440413109. The next prime is 12440413157. The reversal of 12440413142 is 24131404421.

12440413142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975467 + ... + 988137.

It is an arithmetic number, because the mean of its divisors is an integer number (1174466304).

Almost surely, 2^12440413142 is an apocalyptic number.

12440413142 is a deficient number, since it is larger than the sum of its proper divisors (6351047722).

12440413142 is a wasteful number, since it uses less digits than its factorization.

12440413142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16075.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 12440413142 its reverse (24131404421), we get a palindrome (36571817563).

The spelling of 12440413142 in words is "twelve billion, four hundred forty million, four hundred thirteen thousand, one hundred forty-two".