8041147218 has 24 divisors (see below), whose sum is σ = 18762677388. Its totient is φ = 2474199072.

The previous prime is 8041147199. The next prime is 8041147243. The reversal of 8041147218 is 8127411408.

It can be written as a sum of positive squares in 2 ways, for example, as 7610294169 + 430853049 = 87237^2 + 20757^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17181705 + ... + 17182172.

Almost surely, 2^8041147218 is an apocalyptic number.

8041147218 is an abundant number, since it is smaller than the sum of its proper divisors (10721530170).

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

8041147218 is a wasteful number, since it uses less digits than its factorization.

8041147218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34363898 (or 34363895 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 8041147218 is about 89672.4440282521. Note that the first 3 decimals coincide. The cubic root of 8041147218 is about 2003.4230727772.

The spelling of 8041147218 in words is "eight billion, forty-one million, one hundred forty-seven thousand, two hundred eighteen".