406040211 has 24 divisors (see below), whose sum is σ = 591645600. Its totient is φ = 268333056.

The previous prime is 406040153. The next prime is 406040221. The reversal of 406040211 is 112040604.

406040211 is a `hidden beast` number, since 40 + 604 + 0 + 21 + 1 = 666.

It is not a de Polignac number, because 406040211 - 2²⁷ = 271822483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406040221) 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, 806986 + ... + 807488.

It is an arithmetic number, because the mean of its divisors is an integer number (24651900).

Almost surely, 2^406040211 is an apocalyptic number.

406040211 is a deficient number, since it is larger than the sum of its proper divisors (185605389).

406040211 is a wasteful number, since it uses less digits than its factorization.

406040211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115 (or 1112 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 406040211 is about 20150.4394741157. The cubic root of 406040211 is about 740.4965081583.

Adding to 406040211 its reverse (112040604), we get a palindrome (518080815).

The spelling of 406040211 in words is "four hundred six million, forty thousand, two hundred eleven".