4550240 has 24 divisors (see below), whose sum is σ = 10750320. Its totient is φ = 1820032.

The previous prime is 4550239. The next prime is 4550243. The reversal of 4550240 is 420554.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14060 + ... + 14379.

It is an arithmetic number, because the mean of its divisors is an integer number (447930).

Almost surely, 2^4550240 is an apocalyptic number.

4550240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4550240 is an abundant number, since it is smaller than the sum of its proper divisors (6200080).

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

4550240 is a wasteful number, since it uses less digits than its factorization.

4550240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28454 (or 28446 counting only the distinct ones).

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

The square root of 4550240 is about 2133.1291568960. The cubic root of 4550240 is about 165.7084930878.

Adding to 4550240 its reverse (420554), we get a palindrome (4970794).

The spelling of 4550240 in words is "four million, five hundred fifty thousand, two hundred forty".