24120403421 has 16 divisors (see below), whose sum is σ = 25138988160. Its totient is φ = 23114548800.

The previous prime is 24120403397. The next prime is 24120403429. The reversal of 24120403421 is 12430402142.

It is a cyclic number.

It is not a de Polignac number, because 24120403421 - 2¹⁸ = 24120141277 is a prime.

It is a super-2 number, since 2×24120403421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24120403429) 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 15 ways as a sum of consecutive naturals, for example, 8988746 + ... + 8991428.

It is an arithmetic number, because the mean of its divisors is an integer number (1571186760).

Almost surely, 2^24120403421 is an apocalyptic number.

It is an amenable number.

24120403421 is a deficient number, since it is larger than the sum of its proper divisors (1018584739).

24120403421 is a wasteful number, since it uses less digits than its factorization.

24120403421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 24120403421 its reverse (12430402142), we get a palindrome (36550805563).

The spelling of 24120403421 in words is "twenty-four billion, one hundred twenty million, four hundred three thousand, four hundred twenty-one".