24045140 has 48 divisors (see below), whose sum is σ = 61108992. Its totient is φ = 7758336.

The previous prime is 24045137. The next prime is 24045149. The reversal of 24045140 is 4154042.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24045149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2672 + ... + 7431.

It is an arithmetic number, because the mean of its divisors is an integer number (1273104).

Almost surely, 2^24045140 is an apocalyptic number.

24045140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24045140 is an abundant number, since it is smaller than the sum of its proper divisors (37063852).

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

24045140 is a wasteful number, since it uses less digits than its factorization.

24045140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136 (or 10134 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 24045140 is about 4903.5844032707. The cubic root of 24045140 is about 288.6306428730.

Adding to 24045140 its reverse (4154042), we get a palindrome (28199182).

The spelling of 24045140 in words is "twenty-four million, forty-five thousand, one hundred forty".