406568216286 has 24 divisors (see below), whose sum is σ = 895338751944. Its totient is φ = 133301054160.

The previous prime is 406568216273. The next prime is 406568216291. The reversal of 406568216286 is 682612865604.

406568216286 is a `hidden beast` number, since 4 + 0 + 6 + 5 + 6 + 8 + 2 + 1 + 628 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185139256 + ... + 185141451.

It is an arithmetic number, because the mean of its divisors is an integer number (37305781331).

Almost surely, 2^406568216286 is an apocalyptic number.

406568216286 is an abundant number, since it is smaller than the sum of its proper divisors (488770535658).

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

406568216286 is a wasteful number, since it uses less digits than its factorization.

406568216286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370280776 (or 370280773 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 406568216286 in words is "four hundred six billion, five hundred sixty-eight million, two hundred sixteen thousand, two hundred eighty-six".