404040042113 has 16 divisors (see below), whose sum is σ = 418913026560. Its totient is φ = 389444305536.

The previous prime is 404040042089. The next prime is 404040042139. The reversal of 404040042113 is 311240040404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 404040042113 - 2⁸ = 404040041857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404040042173) 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, 4858781 + ... + 4941237.

It is an arithmetic number, because the mean of its divisors is an integer number (26182064160).

Almost surely, 2^404040042113 is an apocalyptic number.

It is an amenable number.

404040042113 is a deficient number, since it is larger than the sum of its proper divisors (14872984447).

404040042113 is a wasteful number, since it uses less digits than its factorization.

404040042113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84136.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 404040042113 its reverse (311240040404), we get a palindrome (715280082517).

The spelling of 404040042113 in words is "four hundred four billion, forty million, forty-two thousand, one hundred thirteen".