24042421 has 8 divisors (see below), whose sum is σ = 26785080. Its totient is φ = 21427392.

The previous prime is 24042419. The next prime is 24042439. The reversal of 24042421 is 12424042.

It can be written as a sum of positive squares in 4 ways, for example, as 130321 + 23912100 = 361^2 + 4890^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24042421 - 2¹ = 24042419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24042121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31510 + ... + 32263.

It is an arithmetic number, because the mean of its divisors is an integer number (3348135).

Almost surely, 2^24042421 is an apocalyptic number.

It is an amenable number.

24042421 is a deficient number, since it is larger than the sum of its proper divisors (2742659).

24042421 is a wasteful number, since it uses less digits than its factorization.

24042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63815.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 24042421 is about 4903.3071492616. The cubic root of 24042421 is about 288.6197631096.

Adding to 24042421 its reverse (12424042), we get a palindrome (36466463).

The spelling of 24042421 in words is "twenty-four million, forty-two thousand, four hundred twenty-one".