24252440 has 16 divisors (see below), whose sum is σ = 54568080. Its totient is φ = 9700960.

The previous prime is 24252433. The next prime is 24252451. The reversal of 24252440 is 4425242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303116 + ... + 303195.

It is an arithmetic number, because the mean of its divisors is an integer number (3410505).

Almost surely, 2^24252440 is an apocalyptic number.

24252440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24252440 is an abundant number, since it is smaller than the sum of its proper divisors (30315640).

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

24252440 is a wasteful number, since it uses less digits than its factorization.

24252440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606322 (or 606318 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 24252440 is about 4924.6766391307. The cubic root of 24252440 is about 289.4577262248.

Adding to 24252440 its reverse (4425242), we get a palindrome (28677682).

The spelling of 24252440 in words is "twenty-four million, two hundred fifty-two thousand, four hundred forty".