2404024021 has 8 divisors (see below), whose sum is σ = 2769090560. Its totient is φ = 2044366128.

The previous prime is 2404024013. The next prime is 2404024057. The reversal of 2404024021 is 1204204042.

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

It is not a de Polignac number, because 2404024021 - 2³ = 2404024013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2404024021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404024061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1351206 + ... + 1352983.

It is an arithmetic number, because the mean of its divisors is an integer number (346136320).

Almost surely, 2^2404024021 is an apocalyptic number.

It is an amenable number.

2404024021 is a deficient number, since it is larger than the sum of its proper divisors (365066539).

2404024021 is a wasteful number, since it uses less digits than its factorization.

2404024021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2704323.

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

The square root of 2404024021 is about 49030.8476471700. The cubic root of 2404024021 is about 1339.6137635256.

Adding to 2404024021 its reverse (1204204042), we get a palindrome (3608228063).

The spelling of 2404024021 in words is "two billion, four hundred four million, twenty-four thousand, twenty-one".