40444113134013 has 4 divisors (see below), whose sum is σ = 53925484178688. Its totient is φ = 26962742089340.

The previous prime is 40444113133981. The next prime is 40444113134053. The reversal of 40444113134013 is 31043131144404.

40444113134013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40444113134013 - 2⁵ = 40444113133981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444113134053) 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, 6740685522333 + ... + 6740685522338.

It is an arithmetic number, because the mean of its divisors is an integer number (13481371044672).

Almost surely, 2^{40444113134013} is an apocalyptic number.

It is an amenable number.

40444113134013 is a deficient number, since it is larger than the sum of its proper divisors (13481371044675).

40444113134013 is a wasteful number, since it uses less digits than its factorization.

40444113134013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13481371044674.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 40444113134013 its reverse (31043131144404), we get a palindrome (71487244278417).

The spelling of 40444113134013 in words is "forty trillion, four hundred forty-four billion, one hundred thirteen million, one hundred thirty-four thousand, thirteen".