8241319820 has 24 divisors (see below), whose sum is σ = 17485196064. Its totient is φ = 3262542336.

The previous prime is 8241319781. The next prime is 8241319861. The reversal of 8241319820 is 289131428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122112 + ... + 2125991.

It is an arithmetic number, because the mean of its divisors is an integer number (728549836).

Almost surely, 2^8241319820 is an apocalyptic number.

It is an amenable number.

8241319820 is an abundant number, since it is smaller than the sum of its proper divisors (9243876244).

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

8241319820 is a wasteful number, since it uses less digits than its factorization.

8241319820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4248209 (or 4248207 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 8241319820 is about 90781.7152294447. The cubic root of 8241319820 is about 2019.9111012081.

The spelling of 8241319820 in words is "eight billion, two hundred forty-one million, three hundred nineteen thousand, eight hundred twenty".