405405341205 has 16 divisors (see below), whose sum is σ = 649800688320. Its totient is φ = 215832134528.

The previous prime is 405405341197. The next prime is 405405341227. The reversal of 405405341205 is 502143504504.

It is a cyclic number.

It is not a de Polignac number, because 405405341205 - 2³ = 405405341197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23994240 + ... + 24011129.

It is an arithmetic number, because the mean of its divisors is an integer number (40612543020).

Almost surely, 2^405405341205 is an apocalyptic number.

It is an amenable number.

405405341205 is a deficient number, since it is larger than the sum of its proper divisors (244395347115).

405405341205 is a wasteful number, since it uses less digits than its factorization.

405405341205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48005940.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 405405341205 its reverse (502143504504), we get a palindrome (907548845709).

The spelling of 405405341205 in words is "four hundred five billion, four hundred five million, three hundred forty-one thousand, two hundred five".