4502540 has 48 divisors (see below), whose sum is σ = 11188800. Its totient is φ = 1489152.

The previous prime is 4502539. The next prime is 4502543. The reversal of 4502540 is 452054.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (4502543) 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, 3506 + ... + 4614.

It is an arithmetic number, because the mean of its divisors is an integer number (233100).

Almost surely, 2^4502540 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 4502540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5594400).

4502540 is an abundant number, since it is smaller than the sum of its proper divisors (6686260).

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

4502540 is a wasteful number, since it uses less digits than its factorization.

4502540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154 (or 1152 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4502540 is about 2121.9189428440. The cubic root of 4502540 is about 165.1274191771.

Adding to 4502540 its reverse (452054), we get a palindrome (4954594).

The spelling of 4502540 in words is "four million, five hundred two thousand, five hundred forty".