405385388211 has 8 divisors (see below), whose sum is σ = 541395605200. Its totient is φ = 269816048352.

The previous prime is 405385388209. The next prime is 405385388251. The reversal of 405385388211 is 112883583504.

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

It is not a de Polignac number, because 405385388211 - 2¹ = 405385388209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405385388251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110217136 + ... + 110220813.

It is an arithmetic number, because the mean of its divisors is an integer number (67674450650).

Almost surely, 2^405385388211 is an apocalyptic number.

405385388211 is a deficient number, since it is larger than the sum of its proper divisors (136010216989).

405385388211 is a wasteful number, since it uses less digits than its factorization.

405385388211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220438565.

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 405385388211 in words is "four hundred five billion, three hundred eighty-five million, three hundred eighty-eight thousand, two hundred eleven".