1040440314413 has 4 divisors (see below), whose sum is σ = 1040493917820. Its totient is φ = 1040386711008.

The previous prime is 1040440314391. The next prime is 1040440314427. The reversal of 1040440314413 is 3144130440401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 265691795209 + 774748519204 = 515453^2 + 880198^2 .

It is a cyclic number.

It is not a de Polignac number, because 1040440314413 - 2²⁶ = 1040373205549 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 (1040440311413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26772578 + ... + 26811411.

It is an arithmetic number, because the mean of its divisors is an integer number (260123479455).

Almost surely, 2^{1040440314413} is an apocalyptic number.

It is an amenable number.

1040440314413 is a deficient number, since it is larger than the sum of its proper divisors (53603407).

1040440314413 is an equidigital number, since it uses as much as digits as its factorization.

1040440314413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53603406.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1040440314413 its reverse (3144130440401), we get a palindrome (4184570754814).

The spelling of 1040440314413 in words is "one trillion, forty billion, four hundred forty million, three hundred fourteen thousand, four hundred thirteen".