24344140021 has 8 divisors (see below), whose sum is σ = 24413831064. Its totient is φ = 24274521600.

The previous prime is 24344140019. The next prime is 24344140057. The reversal of 24344140021 is 12004144342.

It can be written as a sum of positive squares in 4 ways, for example, as 369024100 + 23975115921 = 19210^2 + 154839^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 24344140021 - 2¹ = 24344140019 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 (24344140001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692571 + ... + 726871.

It is an arithmetic number, because the mean of its divisors is an integer number (3051728883).

Almost surely, 2^24344140021 is an apocalyptic number.

It is an amenable number.

24344140021 is a deficient number, since it is larger than the sum of its proper divisors (69691043).

24344140021 is a wasteful number, since it uses less digits than its factorization.

24344140021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36311.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 24344140021 its reverse (12004144342), we get a palindrome (36348284363).

The spelling of 24344140021 in words is "twenty-four billion, three hundred forty-four million, one hundred forty thousand, twenty-one".