24002140 has 36 divisors (see below), whose sum is σ = 52239096. Its totient is φ = 9263296.

The previous prime is 24002129. The next prime is 24002141. The reversal of 24002140 is 4120042.

It is a super-2 number, since 2×24002140² = 1152205449159200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 24002140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24002141) 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, 16107 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (1451086).

Almost surely, 2^24002140 is an apocalyptic number.

24002140 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 24002140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26119548).

24002140 is an abundant number, since it is smaller than the sum of its proper divisors (28236956).

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

24002140 is a wasteful number, since it uses less digits than its factorization.

24002140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 24002140 is about 4899.1978935332. The cubic root of 24002140 is about 288.4584871791.

Adding to 24002140 its reverse (4120042), we get a palindrome (28122182).

It can be divided in two parts, 24002 and 140, that added together give a palindrome (24142).

The spelling of 24002140 in words is "twenty-four million, two thousand, one hundred forty".