809140700033502 has 32 divisors (see below), whose sum is σ = 1621118990557440. Its totient is φ = 269240778898560.

The previous prime is 809140700033489. The next prime is 809140700033503. The reversal of 809140700033502 is 205330007041908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809140700033503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (37) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4492198 + ... + 40477910.

It is an arithmetic number, because the mean of its divisors is an integer number (50659968454920).

Almost surely, 2^{809140700033502} is an apocalyptic number.

809140700033502 is an abundant number, since it is smaller than the sum of its proper divisors (811978290523938).

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

809140700033502 is a wasteful number, since it uses less digits than its factorization.

809140700033502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35992288.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 809140700033502 in words is "eight hundred nine trillion, one hundred forty billion, seven hundred million, thirty-three thousand, five hundred two".