12440430041003 has 4 divisors (see below), whose sum is σ = 12440517971280. Its totient is φ = 12440342110728.

The previous prime is 12440430040993. The next prime is 12440430041041. The reversal of 12440430041003 is 30014003404421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12440430041003 is a prime.

It is a super-2 number, since 2×12440430041003² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12440430641003) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 43752575 + ... + 44035992.

It is an arithmetic number, because the mean of its divisors is an integer number (3110129492820).

Almost surely, 2^{12440430041003} is an apocalyptic number.

12440430041003 is a deficient number, since it is larger than the sum of its proper divisors (87930277).

12440430041003 is an equidigital number, since it uses as much as digits as its factorization.

12440430041003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87930276.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12440430041003 its reverse (30014003404421), we get a palindrome (42454433445424).

The spelling of 12440430041003 in words is "twelve trillion, four hundred forty billion, four hundred thirty million, forty-one thousand, three".