4452240 has 80 divisors (see below), whose sum is σ = 14874048. Its totient is φ = 1095168.

The previous prime is 4452233. The next prime is 4452241. The reversal of 4452240 is 422544.

It is a tau number, because it is divible by the number of its divisors (80).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4452241) 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, 2407 + ... + 3833.

Almost surely, 2^4452240 is an apocalyptic number.

4452240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4452240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7437024).

4452240 is an abundant number, since it is smaller than the sum of its proper divisors (10421808).

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

4452240 is a wasteful number, since it uses less digits than its factorization.

4452240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4452240 is about 2110.0331750946. The cubic root of 4452240 is about 164.5102096071.

Adding to 4452240 its reverse (422544), we get a palindrome (4874784).

The spelling of 4452240 in words is "four million, four hundred fifty-two thousand, two hundred forty".