8118040 has 64 divisors (see below), whose sum is σ = 21196800. Its totient is φ = 2740608.

The previous prime is 8118023. The next prime is 8118043. The reversal of 8118040 is 408118.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8118043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21937 + ... + 22303.

It is an arithmetic number, because the mean of its divisors is an integer number (331200).

Almost surely, 2^8118040 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 8118040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10598400).

8118040 is an abundant number, since it is smaller than the sum of its proper divisors (13078760).

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

8118040 is a wasteful number, since it uses less digits than its factorization.

8118040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 8118040 is about 2849.2174364200. The cubic root of 8118040 is about 200.9788679383.

The spelling of 8118040 in words is "eight million, one hundred eighteen thousand, forty".