12440313042 has 32 divisors (see below), whose sum is σ = 26195769600. Its totient is φ = 3927674448.

The previous prime is 12440313037. The next prime is 12440313089. The reversal of 12440313042 is 24031304421.

It is a super-2 number, since 2×12440313042² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 718653 + ... + 735759.

It is an arithmetic number, because the mean of its divisors is an integer number (818617800).

Almost surely, 2^12440313042 is an apocalyptic number.

12440313042 is an abundant number, since it is smaller than the sum of its proper divisors (13755456558).

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

12440313042 is a wasteful number, since it uses less digits than its factorization.

12440313042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23510.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12440313042 its reverse (24031304421), we get a palindrome (36471617463).

The spelling of 12440313042 in words is "twelve billion, four hundred forty million, three hundred thirteen thousand, forty-two".