408206498406 has 32 divisors (see below), whose sum is σ = 933208846080. Its totient is φ = 116609750496.

The previous prime is 408206498377. The next prime is 408206498489. The reversal of 408206498406 is 604894602804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 621061 + ... + 1096416.

It is an arithmetic number, because the mean of its divisors is an integer number (29162776440).

Almost surely, 2^408206498406 is an apocalyptic number.

408206498406 is an abundant number, since it is smaller than the sum of its proper divisors (525002347674).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408206498406 is a wasteful number, since it uses less digits than its factorization.

408206498406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723148.

The product of its (nonzero) digits is 2654208, while the sum is 51.

The spelling of 408206498406 in words is "four hundred eight billion, two hundred six million, four hundred ninety-eight thousand, four hundred six".