8065040818 has 4 divisors (see below), whose sum is σ = 12097561230. Its totient is φ = 4032520408.

The previous prime is 8065040761. The next prime is 8065040831. The reversal of 8065040818 is 8180405608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7966098009 + 98942809 = 89253^2 + 9947^2 .

It is a super-2 number, since 2×8065040818² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2016260203 + ... + 2016260206.

Almost surely, 2^8065040818 is an apocalyptic number.

8065040818 is a deficient number, since it is larger than the sum of its proper divisors (4032520412).

8065040818 is a wasteful number, since it uses less digits than its factorization.

8065040818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032520411.

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 8065040818 is about 89805.5723104084. The cubic root of 8065040818 is about 2005.4054455839.

The spelling of 8065040818 in words is "eight billion, sixty-five million, forty thousand, eight hundred eighteen".