765859040 has 24 divisors (see below), whose sum is σ = 1809342360. Its totient is φ = 306343552.

The previous prime is 765859007. The next prime is 765859043. The reversal of 765859040 is 40958567.

It is a junction number, because it is equal to n+sod(n) for n = 765858982 and 765859000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (765859043) 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 3 ways as a sum of consecutive naturals, for example, 2393150 + ... + 2393469.

It is an arithmetic number, because the mean of its divisors is an integer number (75389265).

Almost surely, 2^765859040 is an apocalyptic number.

It is an amenable number.

765859040 is an abundant number, since it is smaller than the sum of its proper divisors (1043483320).

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

765859040 is a wasteful number, since it uses less digits than its factorization.

765859040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786634 (or 4786626 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 765859040 is about 27674.1583431186. The cubic root of 765859040 is about 914.9196342168.

The spelling of 765859040 in words is "seven hundred sixty-five million, eight hundred fifty-nine thousand, forty".