24140143430021 has 16 divisors (see below), whose sum is σ = 24407618269248. Its totient is φ = 23873469417600.

The previous prime is 24140143429979. The next prime is 24140143430083. The reversal of 24140143430021 is 12003434104142.

It is a cyclic number.

It is not a de Polignac number, because 24140143430021 - 2¹⁰ = 24140143428997 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 (24140143430321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206033171 + ... + 206150303.

It is an arithmetic number, because the mean of its divisors is an integer number (1525476141828).

Almost surely, 2^{24140143430021} is an apocalyptic number.

It is an amenable number.

24140143430021 is a deficient number, since it is larger than the sum of its proper divisors (267474839227).

24140143430021 is a wasteful number, since it uses less digits than its factorization.

24140143430021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120532.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 24140143430021 its reverse (12003434104142), we get a palindrome (36143577534163).

The spelling of 24140143430021 in words is "twenty-four trillion, one hundred forty billion, one hundred forty-three million, four hundred thirty thousand, twenty-one".