405554433206 has 12 divisors (see below), whose sum is σ = 658725988212. Its totient is φ = 187178969016.

The previous prime is 405554433131. The next prime is 405554433269. The reversal of 405554433206 is 602334455504.

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 5 ways as a sum of consecutive naturals, for example, 599932256 + ... + 599932931.

It is an arithmetic number, because the mean of its divisors is an integer number (54893832351).

Almost surely, 2^405554433206 is an apocalyptic number.

405554433206 is a deficient number, since it is larger than the sum of its proper divisors (253171555006).

405554433206 is a wasteful number, since it uses less digits than its factorization.

405554433206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199865215 (or 1199865202 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

The spelling of 405554433206 in words is "four hundred five billion, five hundred fifty-four million, four hundred thirty-three thousand, two hundred six".