24140140 has 48 divisors (see below), whose sum is σ = 52746624. Its totient is φ = 9273600.

The previous prime is 24140117. The next prime is 24140141. The reversal of 24140140 is 4104142.

It is not an unprimeable number, because it can be changed into a prime (24140141) 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, 57130 + ... + 57550.

It is an arithmetic number, because the mean of its divisors is an integer number (1098888).

Almost surely, 2^24140140 is an apocalyptic number.

24140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24140140 is an abundant number, since it is smaller than the sum of its proper divisors (28606484).

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

24140140 is a wasteful number, since it uses less digits than its factorization.

24140140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 24140140 is about 4913.2616457909. The cubic root of 24140140 is about 289.0102605282.

Adding to 24140140 its reverse (4104142), we get a palindrome (28244282).

The spelling of 24140140 in words is "twenty-four million, one hundred forty thousand, one hundred forty".