814040785960 has 24 divisors (see below), whose sum is σ = 1831604607630. Its totient is φ = 325614031872.

The previous prime is 814040785949. The next prime is 814040786011. The reversal of 814040785960 is 69587040418.

It can be written as a sum of positive squares in 3 ways, for example, as 155862302436 + 658178483524 = 394794^2 + 811282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 814040785898 and 814040785907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5634952 + ... + 5777608.

Almost surely, 2^814040785960 is an apocalyptic number.

It is an amenable number.

814040785960 is an abundant number, since it is smaller than the sum of its proper divisors (1017563821670).

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

814040785960 is an frugal number, since it uses more digits than its factorization.

814040785960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285325 (or 142664 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 814040785960 in words is "eight hundred fourteen billion, forty million, seven hundred eighty-five thousand, nine hundred sixty".