12440224143342 has 32 divisors (see below), whose sum is σ = 27665165779200. Its totient is φ = 4143707895384.

The previous prime is 12440224143301. The next prime is 12440224143377. The reversal of 12440224143342 is 24334142204421.

12440224143342 is a `hidden beast` number, since 1 + 2 + 4 + 402 + 241 + 4 + 3 + 3 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12440224143297 and 12440224143306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84188992 + ... + 84336627.

It is an arithmetic number, because the mean of its divisors is an integer number (864536430600).

Almost surely, 2^{12440224143342} is an apocalyptic number.

12440224143342 is an abundant number, since it is smaller than the sum of its proper divisors (15224941635858).

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

12440224143342 is a wasteful number, since it uses less digits than its factorization.

12440224143342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168526997 (or 168526991 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 12440224143342 its reverse (24334142204421), we get a palindrome (36774366347763).

The spelling of 12440224143342 in words is "twelve trillion, four hundred forty billion, two hundred twenty-four million, one hundred forty-three thousand, three hundred forty-two".