404430242034405 has 16 divisors (see below), whose sum is σ = 648001064828160. Its totient is φ = 215391903227328.

The previous prime is 404430242034373. The next prime is 404430242034409. The reversal of 404430242034405 is 504430242034404.

It is not a de Polignac number, because 404430242034405 - 2⁵ = 404430242034373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404430242034409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19014105117 + ... + 19014126386.

It is an arithmetic number, because the mean of its divisors is an integer number (40500066551760).

Almost surely, 2^{404430242034405} is an apocalyptic number.

It is an amenable number.

404430242034405 is a deficient number, since it is larger than the sum of its proper divisors (243570822793755).

404430242034405 is a wasteful number, since it uses less digits than its factorization.

404430242034405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38028232220.

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 404430242034405 its reverse (504430242034404), we get a palindrome (908860484068809).

Subtracting 404430242034405 from its reverse (504430242034404), we obtain a palindrome (99999999999999).

The spelling of 404430242034405 in words is "four hundred four trillion, four hundred thirty billion, two hundred forty-two million, thirty-four thousand, four hundred five".