8018540 has 12 divisors (see below), whose sum is σ = 16838976. Its totient is φ = 3207408.

The previous prime is 8018519. The next prime is 8018557. The reversal of 8018540 is 458108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200444 + ... + 200483.

It is an arithmetic number, because the mean of its divisors is an integer number (1403248).

Almost surely, 2^8018540 is an apocalyptic number.

It is an amenable number.

8018540 is an abundant number, since it is smaller than the sum of its proper divisors (8820436).

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

8018540 is a wasteful number, since it uses less digits than its factorization.

8018540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400936 (or 400934 counting only the distinct ones).

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

The square root of 8018540 is about 2831.7026680074. The cubic root of 8018540 is about 200.1543808022.

It can be divided in two parts, 8018 and 540, that added together give a palindrome (8558).

The spelling of 8018540 in words is "eight million, eighteen thousand, five hundred forty".