4570240 has 64 divisors (see below), whose sum is σ = 11279160. Its totient is φ = 1769472.

The previous prime is 4570219. The next prime is 4570249. The reversal of 4570240 is 420754.

It can be written as a sum of positive squares in 4 ways, for example, as 3968064 + 602176 = 1992^2 + 776^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (4570249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23584 + ... + 23776.

Almost surely, 2^4570240 is an apocalyptic number.

4570240 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 4570240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5639580).

4570240 is an abundant number, since it is smaller than the sum of its proper divisors (6708920).

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

4570240 is a wasteful number, since it uses less digits than its factorization.

4570240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4570240 is about 2137.8119655386. The cubic root of 4570240 is about 165.9509217666.

Adding to 4570240 its reverse (420754), we get a palindrome (4990994).

The spelling of 4570240 in words is "four million, five hundred seventy thousand, two hundred forty".