806408240085 has 240 divisors, whose sum is σ = 1714008498048. Its totient is φ = 355306901760.

The previous prime is 806408240051. The next prime is 806408240123. The reversal of 806408240085 is 580042804608.

It is not a de Polignac number, because 806408240085 - 2¹¹ = 806408238037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 806408240085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 945378519 + ... + 945379371.

Almost surely, 2^806408240085 is an apocalyptic number.

It is an amenable number.

806408240085 is an abundant number, since it is smaller than the sum of its proper divisors (907600257963).

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

806408240085 is a wasteful number, since it uses less digits than its factorization.

806408240085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 806408240085 in words is "eight hundred six billion, four hundred eight million, two hundred forty thousand, eighty-five".