406262444128 has 24 divisors (see below), whose sum is σ = 800111691288. Its totient is φ = 203059474944.

The previous prime is 406262444117. The next prime is 406262444149. The reversal of 406262444128 is 821444262604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150026 + ... + 2331337.

It is an arithmetic number, because the mean of its divisors is an integer number (33337987137).

Almost surely, 2^406262444128 is an apocalyptic number.

It is an amenable number.

406262444128 is a deficient number, since it is larger than the sum of its proper divisors (393849247160).

406262444128 is a wasteful number, since it uses less digits than its factorization.

406262444128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4484206 (or 4484198 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 43.

The spelling of 406262444128 in words is "four hundred six billion, two hundred sixty-two million, four hundred forty-four thousand, one hundred twenty-eight".