8518040 has 32 divisors (see below), whose sum is σ = 19485360. Its totient is φ = 3350400.

The previous prime is 8518039. The next prime is 8518049. The reversal of 8518040 is 408158.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8518049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 695 + ... + 4185.

Almost surely, 2^8518040 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 8518040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9742680).

8518040 is an abundant number, since it is smaller than the sum of its proper divisors (10967320).

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

8518040 is a wasteful number, since it uses less digits than its factorization.

8518040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563 (or 3559 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 8518040 is about 2918.5681420861. The cubic root of 8518040 is about 204.2270316206.

The spelling of 8518040 in words is "eight million, five hundred eighteen thousand, forty".