404442311113 has 4 divisors (see below), whose sum is σ = 425728748560. Its totient is φ = 383155873668.

The previous prime is 404442311059. The next prime is 404442311183. The reversal of 404442311113 is 311113244404.

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 404442311113 - 2²⁹ = 403905440201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404442311183) 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, 10643218695 + ... + 10643218732.

It is an arithmetic number, because the mean of its divisors is an integer number (106432187140).

Almost surely, 2^404442311113 is an apocalyptic number.

It is an amenable number.

404442311113 is a deficient number, since it is larger than the sum of its proper divisors (21286437447).

404442311113 is a wasteful number, since it uses less digits than its factorization.

404442311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21286437446.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 404442311113 its reverse (311113244404), we get a palindrome (715555555517).

The spelling of 404442311113 in words is "four hundred four billion, four hundred forty-two million, three hundred eleven thousand, one hundred thirteen".