12440225042 has 32 divisors (see below), whose sum is σ = 22022344704. Its totient is φ = 5157594000.

The previous prime is 12440225041. The next prime is 12440225047. The reversal of 12440225042 is 24052204421.

It is not an unprimeable number, because it can be changed into a prime (12440225041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2015453 + ... + 2021615.

It is an arithmetic number, because the mean of its divisors is an integer number (688198272).

Almost surely, 2^12440225042 is an apocalyptic number.

12440225042 is a deficient number, since it is larger than the sum of its proper divisors (9582119662).

12440225042 is a wasteful number, since it uses less digits than its factorization.

12440225042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854.

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 12440225042 its reverse (24052204421), we get a palindrome (36492429463).

The spelling of 12440225042 in words is "twelve billion, four hundred forty million, two hundred twenty-five thousand, forty-two".