4134240524421 has 16 divisors (see below), whose sum is σ = 6999772316800. Its totient is φ = 2362423156704.

The previous prime is 4134240524387. The next prime is 4134240524489. The reversal of 4134240524421 is 1244250424314.

4134240524421 is a `hidden beast` number, since 4 + 1 + 3 + 4 + 2 + 405 + 244 + 2 + 1 = 666.

It is not a de Polignac number, because 4134240524421 - 2⁶ = 4134240524357 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 (4134240524021) 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, 10937144056 + ... + 10937144433.

It is an arithmetic number, because the mean of its divisors is an integer number (437485769800).

Almost surely, 2^{4134240524421} is an apocalyptic number.

It is an amenable number.

4134240524421 is a deficient number, since it is larger than the sum of its proper divisors (2865531792379).

4134240524421 is a wasteful number, since it uses less digits than its factorization.

4134240524421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21874288505 (or 21874288499 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 4134240524421 its reverse (1244250424314), we get a palindrome (5378490948735).

The spelling of 4134240524421 in words is "four trillion, one hundred thirty-four billion, two hundred forty million, five hundred twenty-four thousand, four hundred twenty-one".