24042021 has 8 divisors (see below), whose sum is σ = 32350560. Its totient is φ = 15880752.

The previous prime is 24042017. The next prime is 24042041. The reversal of 24042021 is 12024042.

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

It is not a de Polignac number, because 24042021 - 2² = 24042017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24042041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36435 + ... + 37088.

It is an arithmetic number, because the mean of its divisors is an integer number (4043820).

Almost surely, 2^24042021 is an apocalyptic number.

It is an amenable number.

24042021 is a deficient number, since it is larger than the sum of its proper divisors (8308539).

24042021 is a wasteful number, since it uses less digits than its factorization.

24042021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73635.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 24042021 is about 4903.2663602949. The cubic root of 24042021 is about 288.6181624868.

Adding to 24042021 its reverse (12024042), we get a palindrome (36066063).

The spelling of 24042021 in words is "twenty-four million, forty-two thousand, twenty-one".