4518540 has 72 divisors (see below), whose sum is σ = 14768208. Its totient is φ = 1111680.

The previous prime is 4518539. The next prime is 4518541. The reversal of 4518540 is 458154.

4518540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4518539) and next prime (4518541).

It is not an unprimeable number, because it can be changed into a prime (4518541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1375 + ... + 3305.

It is an arithmetic number, because the mean of its divisors is an integer number (205114).

Almost surely, 2^4518540 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 4518540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7384104).

4518540 is an abundant number, since it is smaller than the sum of its proper divisors (10249668).

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

4518540 is a wasteful number, since it uses less digits than its factorization.

4518540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4518540 is about 2125.6857716982. The cubic root of 4518540 is about 165.3227841142.

The spelling of 4518540 in words is "four million, five hundred eighteen thousand, five hundred forty".