2524240 has 40 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 998016.

The previous prime is 2524219. The next prime is 2524259. The reversal of 2524240 is 424252.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11007 + ... + 11233.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

2^2524240 is an apocalyptic number.

2524240 is a gapful number since it is divisible by the number (20) 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 2524240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968560).

2524240 is an abundant number, since it is smaller than the sum of its proper divisors (3412880).

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

2524240 is a wasteful number, since it uses less digits than its factorization.

2524240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 2524240 is about 1588.7856998349. The cubic root of 2524240 is about 136.1581205879.

Adding to 2524240 its reverse (424252), we get a palindrome (2948492).

The spelling of 2524240 in words is "two million, five hundred twenty-four thousand, two hundred forty".