12440531053 has 16 divisors (see below), whose sum is σ = 13105508400. Its totient is φ = 11795936256.

The previous prime is 12440531023. The next prime is 12440531057. The reversal of 12440531053 is 35013504421.

12440531053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1591850404 + 10848680649 = 39898^2 + 104157^2 .

It is not a de Polignac number, because 12440531053 - 2²⁹ = 11903660141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440531057) 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 15 ways as a sum of consecutive naturals, for example, 270901 + ... + 313477.

It is an arithmetic number, because the mean of its divisors is an integer number (819094275).

Almost surely, 2^12440531053 is an apocalyptic number.

It is an amenable number.

12440531053 is a deficient number, since it is larger than the sum of its proper divisors (664977347).

12440531053 is a wasteful number, since it uses less digits than its factorization.

12440531053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42816.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 12440531053 in words is "twelve billion, four hundred forty million, five hundred thirty-one thousand, fifty-three".