8040739818 has 8 divisors (see below), whose sum is σ = 16081479648. Its totient is φ = 2680246604.

The previous prime is 8040739787. The next prime is 8040739831. The reversal of 8040739818 is 8189370408.

It is a sphenic number, since it is the product of 3 distinct primes.

8040739818 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670061646 + ... + 670061657.

It is an arithmetic number, because the mean of its divisors is an integer number (2010184956).

Almost surely, 2^8040739818 is an apocalyptic number.

8040739818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8040739818 is a wasteful number, since it uses less digits than its factorization.

8040739818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1340123308.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 8040739818 is about 89670.1723986299. The cubic root of 8040739818 is about 2003.3892381215.

The spelling of 8040739818 in words is "eight billion, forty million, seven hundred thirty-nine thousand, eight hundred eighteen".