408985305211 has 16 divisors (see below), whose sum is σ = 483913785600. Its totient is φ = 338201545248.

The previous prime is 408985305199. The next prime is 408985305217. The reversal of 408985305211 is 112503589804.

It is not a de Polignac number, because 408985305211 - 2¹¹ = 408985303163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (408985305217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544545 + ... + 1055698.

It is an arithmetic number, because the mean of its divisors is an integer number (30244611600).

Almost surely, 2^408985305211 is an apocalyptic number.

408985305211 is a deficient number, since it is larger than the sum of its proper divisors (74928480389).

408985305211 is a wasteful number, since it uses less digits than its factorization.

408985305211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601538.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 408985305211 in words is "four hundred eight billion, nine hundred eighty-five million, three hundred five thousand, two hundred eleven".