8040512 has 28 divisors (see below), whose sum is σ = 16183356. Its totient is φ = 3962880.

The previous prime is 8040503. The next prime is 8040517. The reversal of 8040512 is 2150408.

It can be written as a sum of positive squares in 2 ways, for example, as 5271616 + 2768896 = 2296^2 + 1664^2 .

It is not an unprimeable number, because it can be changed into a prime (8040517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812 + ... + 5532.

It is an arithmetic number, because the mean of its divisors is an integer number (577977).

Almost surely, 2^8040512 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 8040512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8091678).

8040512 is an abundant number, since it is smaller than the sum of its proper divisors (8142844).

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

8040512 is a wasteful number, since it uses less digits than its factorization.

8040512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806 (or 1796 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 8040512 is about 2835.5796585531. The cubic root of 8040512 is about 200.3370317290.

The spelling of 8040512 in words is "eight million, forty thousand, five hundred twelve".