810116195240 has 64 divisors (see below), whose sum is σ = 2010809448000. Its totient is φ = 291277719040.

The previous prime is 810116195219. The next prime is 810116195249. The reversal of 810116195240 is 42591611018.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 810116195194 and 810116195203.

It is not an unprimeable number, because it can be changed into a prime (810116195249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10304510 + ... + 10382829.

It is an arithmetic number, because the mean of its divisors is an integer number (31418897625).

Almost surely, 2^810116195240 is an apocalyptic number.

It is an amenable number.

810116195240 is an abundant number, since it is smaller than the sum of its proper divisors (1200693252760).

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

810116195240 is a wasteful number, since it uses less digits than its factorization.

810116195240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20687450 (or 20687446 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 810116195240 in words is "eight hundred ten billion, one hundred sixteen million, one hundred ninety-five thousand, two hundred forty".