4104242340021 has 12 divisors (see below), whose sum is σ = 5928432567148. Its totient is φ = 2736123473664.

The previous prime is 4104242340019. The next prime is 4104242340031. The reversal of 4104242340021 is 1200432424014.

4104242340021 is a `hidden beast` number, since 4 + 1 + 0 + 424 + 234 + 0 + 0 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2771845392996 + 1332396947025 = 1664886^2 + 1154295^2 .

It is not a de Polignac number, because 4104242340021 - 2¹ = 4104242340019 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 (4104242340031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2483470 + ... + 3791583.

Almost surely, 2^{4104242340021} is an apocalyptic number.

It is an amenable number.

4104242340021 is a deficient number, since it is larger than the sum of its proper divisors (1824190227127).

4104242340021 is a wasteful number, since it uses less digits than its factorization.

4104242340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347732 (or 6347729 counting only the distinct ones).

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

Adding to 4104242340021 its reverse (1200432424014), we get a palindrome (5304674764035).

The spelling of 4104242340021 in words is "four trillion, one hundred four billion, two hundred forty-two million, three hundred forty thousand, twenty-one".