404431343134403 has 16 divisors (see below), whose sum is σ = 449212328240256. Its totient is φ = 361760628374400.

The previous prime is 404431343134391. The next prime is 404431343134459. The reversal of 404431343134403 is 304431343134404.

It is a cyclic number.

It is not a de Polignac number, because 404431343134403 - 2⁴ = 404431343134387 is a prime.

It is a super-2 number, since 2×404431343134403² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404431343104403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3276755576 + ... + 3276878997.

It is an arithmetic number, because the mean of its divisors is an integer number (28075770515016).

Almost surely, 2^{404431343134403} is an apocalyptic number.

404431343134403 is a deficient number, since it is larger than the sum of its proper divisors (44780985105853).

404431343134403 is a wasteful number, since it uses less digits than its factorization.

404431343134403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6553634734.

The product of its (nonzero) digits is 995328, while the sum is 41.

Adding to 404431343134403 its reverse (304431343134404), we get a palindrome (708862686268807).

Subtracting from 404431343134403 its reverse (304431343134404), we obtain a palindrome (99999999999999).

The spelling of 404431343134403 in words is "four hundred four trillion, four hundred thirty-one billion, three hundred forty-three million, one hundred thirty-four thousand, four hundred three".