1040444130403 has 4 divisors (see below), whose sum is σ = 1076321514240. Its totient is φ = 1004566746568.

The previous prime is 1040444130367. The next prime is 1040444130443. The reversal of 1040444130403 is 3040314440401.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1040444130403 - 2²¹ = 1040442033251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040444130443) 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, 17938691875 + ... + 17938691932.

It is an arithmetic number, because the mean of its divisors is an integer number (269080378560).

Almost surely, 2^{1040444130403} is an apocalyptic number.

1040444130403 is a deficient number, since it is larger than the sum of its proper divisors (35877383837).

1040444130403 is an equidigital number, since it uses as much as digits as its factorization.

1040444130403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35877383836.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1040444130403 its reverse (3040314440401), we get a palindrome (4080758570804).

The spelling of 1040444130403 in words is "one trillion, forty billion, four hundred forty-four million, one hundred thirty thousand, four hundred three".