24530040 has 160 divisors (see below), whose sum is σ = 84419280. Its totient is φ = 6386688.

The previous prime is 24529993. The next prime is 24530041. The reversal of 24530040 is 4003542.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 24529995 and 24530022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24530041) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 217024 + ... + 217136.

Almost surely, 2^24530040 is an apocalyptic number.

24530040 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 24530040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42209640).

24530040 is an abundant number, since it is smaller than the sum of its proper divisors (59889240).

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

24530040 is a wasteful number, since it uses less digits than its factorization.

24530040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 24530040 is about 4952.7810369529. The cubic root of 24530040 is about 290.5579429055.

Adding to 24530040 its reverse (4003542), we get a palindrome (28533582).

The spelling of 24530040 in words is "twenty-four million, five hundred thirty thousand, forty".