2424440 has 16 divisors (see below), whose sum is σ = 5455080. Its totient is φ = 969760.

The previous prime is 2424439. The next prime is 2424481. The reversal of 2424440 is 444242.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30266 + ... + 30345.

2^2424440 is an apocalyptic number.

2424440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2424440 is an abundant number, since it is smaller than the sum of its proper divisors (3030640).

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

2424440 is a wasteful number, since it uses less digits than its factorization.

2424440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60622 (or 60618 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2424440 is about 1557.0613346943. The cubic root of 2424440 is about 134.3395266017.

Adding to 2424440 its reverse (444242), we get a palindrome (2868682).

The spelling of 2424440 in words is "two million, four hundred twenty-four thousand, four hundred forty".