12440524927 has 2 divisors, whose sum is σ = 12440524928. Its totient is φ = 12440524926.

The previous prime is 12440524913. The next prime is 12440524997. The reversal of 12440524927 is 72942504421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12440524927 - 2¹¹ = 12440522879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12440524927.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440524997) 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 as a sum of consecutive naturals, namely, 6220262463 + 6220262464.

It is an arithmetic number, because the mean of its divisors is an integer number (6220262464).

Almost surely, 2^12440524927 is an apocalyptic number.

12440524927 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440524927 is an equidigital number, since it uses as much as digits as its factorization.

12440524927 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 12440524927 in words is "twelve billion, four hundred forty million, five hundred twenty-four thousand, nine hundred twenty-seven".