404342064523405 has 8 divisors (see below), whose sum is σ = 485219930686200. Its totient is φ = 323467349446656.

The previous prime is 404342064523399. The next prime is 404342064523421. The reversal of 404342064523405 is 504325460243404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 122241084200361 + 282100980323044 = 11056269^2 + 16795862^2 .

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 404342064523405 - 2⁵ = 404342064523373 is a prime.

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, 787489200 + ... + 788002489.

It is an arithmetic number, because the mean of its divisors is an integer number (60652491335775).

Almost surely, 2^{404342064523405} is an apocalyptic number.

It is an amenable number.

404342064523405 is a deficient number, since it is larger than the sum of its proper divisors (80877866162795).

404342064523405 is a wasteful number, since it uses less digits than its factorization.

404342064523405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575543023.

The product of its (nonzero) digits is 5529600, while the sum is 46.

The spelling of 404342064523405 in words is "four hundred four trillion, three hundred forty-two billion, sixty-four million, five hundred twenty-three thousand, four hundred five".