24042240 has 108 divisors (see below), whose sum is σ = 83223504. Its totient is φ = 6408192.

The previous prime is 24042223. The next prime is 24042241. The reversal of 24042240 is 4224042.

24042240 is a `hidden beast` number, since 240 + 422 + 4 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (24042241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10477 + ... + 12563.

It is an arithmetic number, because the mean of its divisors is an integer number (770588).

Almost surely, 2^24042240 is an apocalyptic number.

24042240 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 24042240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41611752).

24042240 is an abundant number, since it is smaller than the sum of its proper divisors (59181264).

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

24042240 is a wasteful number, since it uses less digits than its factorization.

24042240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114 (or 2097 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 24042240 is about 4903.2886922962. The cubic root of 24042240 is about 288.6190388300.

Adding to 24042240 its reverse (4224042), we get a palindrome (28266282).

The spelling of 24042240 in words is "twenty-four million, forty-two thousand, two hundred forty".