24740140 has 24 divisors (see below), whose sum is σ = 52279920. Its totient is φ = 9834048.

The previous prime is 24740119. The next prime is 24740159. The reversal of 24740140 is 4104742.

It is a super-2 number, since 2×24740140² = 1224149054439200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 535 + ... + 7054.

It is an arithmetic number, because the mean of its divisors is an integer number (2178330).

Almost surely, 2^24740140 is an apocalyptic number.

24740140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24740140 is an abundant number, since it is smaller than the sum of its proper divisors (27539780).

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

24740140 is a wasteful number, since it uses less digits than its factorization.

24740140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761 (or 7759 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 24740140 is about 4973.9461195313. The cubic root of 24740140 is about 291.3851295071.

Adding to 24740140 its reverse (4104742), we get a palindrome (28844882).

The spelling of 24740140 in words is "twenty-four million, seven hundred forty thousand, one hundred forty".