24042143421 has 24 divisors (see below), whose sum is σ = 34871270616. Its totient is φ = 15961841280.

The previous prime is 24042143413. The next prime is 24042143459. The reversal of 24042143421 is 12434124042.

24042143421 is a `hidden beast` number, since 2 + 404 + 214 + 3 + 42 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4592772900 + 19449370521 = 67770^2 + 139461^2 .

It is not a de Polignac number, because 24042143421 - 2³ = 24042143413 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24042143621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5200491 + ... + 5205111.

It is an arithmetic number, because the mean of its divisors is an integer number (1452969609).

Almost surely, 2^24042143421 is an apocalyptic number.

It is an amenable number.

24042143421 is a deficient number, since it is larger than the sum of its proper divisors (10829127195).

24042143421 is a wasteful number, since it uses less digits than its factorization.

24042143421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6893 (or 6890 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 24042143421 its reverse (12434124042), we get a palindrome (36476267463).

The spelling of 24042143421 in words is "twenty-four billion, forty-two million, one hundred forty-three thousand, four hundred twenty-one".