12440834551 has 8 divisors (see below), whose sum is σ = 12547519920. Its totient is φ = 12334562688.

The previous prime is 12440834521. The next prime is 12440834579. The reversal of 12440834551 is 15543804421.

12440834551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12440834551 - 2⁷ = 12440834423 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12440834551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440834501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42796 + ... + 163441.

It is an arithmetic number, because the mean of its divisors is an integer number (1568439990).

Almost surely, 2^12440834551 is an apocalyptic number.

12440834551 is a deficient number, since it is larger than the sum of its proper divisors (106685369).

12440834551 is a wasteful number, since it uses less digits than its factorization.

12440834551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206753.

The product of its (nonzero) digits is 76800, while the sum is 37.

The spelling of 12440834551 in words is "twelve billion, four hundred forty million, eight hundred thirty-four thousand, five hundred fifty-one".