805693240 has 64 divisors (see below), whose sum is σ = 2093960160. Its totient is φ = 275742720.

The previous prime is 805693211. The next prime is 805693249. The reversal of 805693240 is 42396508.

It is a self number, because there is not a number n which added to its sum of digits gives 805693240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805693249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46377 + ... + 61336.

Almost surely, 2^805693240 is an apocalyptic number.

It is an amenable number.

805693240 is an abundant number, since it is smaller than the sum of its proper divisors (1288266920).

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

805693240 is a wasteful number, since it uses less digits than its factorization.

805693240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107752 (or 107748 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 805693240 is about 28384.7360389347. The cubic root of 805693240 is about 930.5147033330.

The spelling of 805693240 in words is "eight hundred five million, six hundred ninety-three thousand, two hundred forty".