404303432405 has 8 divisors (see below), whose sum is σ = 485191776600. Its totient is φ = 323424307456.

The previous prime is 404303432387. The next prime is 404303432447. The reversal of 404303432405 is 504234303404.

It can be written as a sum of positive squares in 4 ways, for example, as 23415732484 + 380887699921 = 153022^2 + 617161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 404303432405 - 2¹⁰ = 404303431381 is a prime.

It is a super-2 number, since 2×404303432405² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207960 + ... + 2384049.

It is an arithmetic number, because the mean of its divisors is an integer number (60648972075).

Almost surely, 2^404303432405 is an apocalyptic number.

It is an amenable number.

404303432405 is a deficient number, since it is larger than the sum of its proper divisors (80888344195).

404303432405 is a wasteful number, since it uses less digits than its factorization.

404303432405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4609623.

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 404303432405 its reverse (504234303404), we get a palindrome (908537735809).

The spelling of 404303432405 in words is "four hundred four billion, three hundred three million, four hundred thirty-two thousand, four hundred five".