404605512405 has 24 divisors (see below), whose sum is σ = 703571281920. Its totient is φ = 215095741920.

The previous prime is 404605512229. The next prime is 404605512407. The reversal of 404605512405 is 504215506404.

404605512405 is a `hidden beast` number, since 4 + 0 + 4 + 60 + 551 + 2 + 40 + 5 = 666.

It is not a de Polignac number, because 404605512405 - 2⁸ = 404605512149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404605512405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404605512407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14441365 + ... + 14469354.

It is an arithmetic number, because the mean of its divisors is an integer number (29315470080).

Almost surely, 2^404605512405 is an apocalyptic number.

404605512405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404605512405 is a deficient number, since it is larger than the sum of its proper divisors (298965769515).

404605512405 is a wasteful number, since it uses less digits than its factorization.

404605512405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28911041 (or 28911038 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 404605512405 in words is "four hundred four billion, six hundred five million, five hundred twelve thousand, four hundred five".