24003402421 has 8 divisors (see below), whose sum is σ = 24123487104. Its totient is φ = 23883525120.

The previous prime is 24003402407. The next prime is 24003402431. The reversal of 24003402421 is 12420430042.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24003402421 is a prime.

It is a super-2 number, since 2×24003402421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24003402392 and 24003402401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24003402431) 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, 182866 + ... + 285388.

It is an arithmetic number, because the mean of its divisors is an integer number (3015435888).

Almost surely, 2^24003402421 is an apocalyptic number.

It is an amenable number.

24003402421 is a deficient number, since it is larger than the sum of its proper divisors (120084683).

24003402421 is a wasteful number, since it uses less digits than its factorization.

24003402421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103691.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 24003402421 its reverse (12420430042), we get a palindrome (36423832463).

The spelling of 24003402421 in words is "twenty-four billion, three million, four hundred two thousand, four hundred twenty-one".