404668558411 has 4 divisors (see below), whose sum is σ = 435796909072. Its totient is φ = 373540207752.

The previous prime is 404668558397. The next prime is 404668558451. The reversal of 404668558411 is 114855866404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 404668558411 - 2¹⁹ = 404668034123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404668558451) 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, 15564175311 + ... + 15564175336.

It is an arithmetic number, because the mean of its divisors is an integer number (108949227268).

Almost surely, 2^404668558411 is an apocalyptic number.

404668558411 is a deficient number, since it is larger than the sum of its proper divisors (31128350661).

404668558411 is a wasteful number, since it uses less digits than its factorization.

404668558411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31128350660.

The product of its (nonzero) digits is 3686400, while the sum is 52.

The spelling of 404668558411 in words is "four hundred four billion, six hundred sixty-eight million, five hundred fifty-eight thousand, four hundred eleven".