807850512140 has 96 divisors (see below), whose sum is σ = 2009976643584. Its totient is φ = 266891834880.

The previous prime is 807850512097. The next prime is 807850512149. The reversal of 807850512140 is 41215058708.

It is not an unprimeable number, because it can be changed into a prime (807850512149) 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 31 ways as a sum of consecutive naturals, for example, 611777 + ... + 1410663.

It is an arithmetic number, because the mean of its divisors is an integer number (20937256704).

Almost surely, 2^807850512140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 807850512140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004988321792).

807850512140 is an abundant number, since it is smaller than the sum of its proper divisors (1202126131444).

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

807850512140 is a wasteful number, since it uses less digits than its factorization.

807850512140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799167 (or 799165 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 41.

The spelling of 807850512140 in words is "eight hundred seven billion, eight hundred fifty million, five hundred twelve thousand, one hundred forty".