12440201442 has 8 divisors (see below), whose sum is σ = 24880402896. Its totient is φ = 4146733812.

The previous prime is 12440201441. The next prime is 12440201461. The reversal of 12440201442 is 24410204421.

It is a sphenic number, since it is the product of 3 distinct primes.

12440201442 is an admirable number.

It is a super-2 number, since 2×12440201442² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12440201441) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1036683448 + ... + 1036683459.

It is an arithmetic number, because the mean of its divisors is an integer number (3110050362).

Almost surely, 2^12440201442 is an apocalyptic number.

12440201442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12440201442 is a wasteful number, since it uses less digits than its factorization.

12440201442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073366912.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12440201442 its reverse (24410204421), we get a palindrome (36850405863).

The spelling of 12440201442 in words is "twelve billion, four hundred forty million, two hundred one thousand, four hundred forty-two".