406802255838 has 32 divisors (see below), whose sum is σ = 888639327360. Its totient is φ = 123124692960.

The previous prime is 406802255809. The next prime is 406802255857. The reversal of 406802255838 is 838552208604.

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, 3662820 + ... + 3772247.

It is an arithmetic number, because the mean of its divisors is an integer number (27769978980).

Almost surely, 2^406802255838 is an apocalyptic number.

406802255838 is an abundant number, since it is smaller than the sum of its proper divisors (481837071522).

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

406802255838 is a wasteful number, since it uses less digits than its factorization.

406802255838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7435912.

The product of its (nonzero) digits is 3686400, while the sum is 51.

The spelling of 406802255838 in words is "four hundred six billion, eight hundred two million, two hundred fifty-five thousand, eight hundred thirty-eight".