806408868020 has 48 divisors (see below), whose sum is σ = 1935660236160. Its totient is φ = 276443190144.

The previous prime is 806408867977. The next prime is 806408868037. The reversal of 806408868020 is 20868804608.

It is a self number, because there is not a number n which added to its sum of digits gives 806408868020.

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, 567971 + ... + 1391189.

It is an arithmetic number, because the mean of its divisors is an integer number (40326254920).

Almost surely, 2^806408868020 is an apocalyptic number.

It is an amenable number.

806408868020 is an abundant number, since it is smaller than the sum of its proper divisors (1129251368140).

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

806408868020 is a wasteful number, since it uses less digits than its factorization.

806408868020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830232 (or 830230 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 50.

The spelling of 806408868020 in words is "eight hundred six billion, four hundred eight million, eight hundred sixty-eight thousand, twenty".