406205452 has 12 divisors (see below), whose sum is σ = 711278680. Its totient is φ = 202982976.

The previous prime is 406205447. The next prime is 406205479. The reversal of 406205452 is 254502604.

It is a self number, because there is not a number n which added to its sum of digits gives 406205452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22077 + ... + 36052.

Almost surely, 2^406205452 is an apocalyptic number.

It is an amenable number.

406205452 is a deficient number, since it is larger than the sum of its proper divisors (305073228).

406205452 is a wasteful number, since it uses less digits than its factorization.

406205452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59880 (or 59878 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 406205452 is about 20154.5392405780. The cubic root of 406205452 is about 740.5969446713.

The spelling of 406205452 in words is "four hundred six million, two hundred five thousand, four hundred fifty-two".