4042334000421 has 6 divisors (see below), whose sum is σ = 5838926889510. Its totient is φ = 2694889333608.

The previous prime is 4042334000413. The next prime is 4042334000437. The reversal of 4042334000421 is 1240004332404.

It is a happy number.

4042334000421 is a `hidden beast` number, since 4 + 0 + 4 + 233 + 4 + 0 + 0 + 0 + 421 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3831688800900 + 210645199521 = 1957470^2 + 458961^2 .

It is not a de Polignac number, because 4042334000421 - 2³ = 4042334000413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042334000401) 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 5 ways as a sum of consecutive naturals, for example, 224574111126 + ... + 224574111143.

It is an arithmetic number, because the mean of its divisors is an integer number (973154481585).

Almost surely, 2^{4042334000421} is an apocalyptic number.

It is an amenable number.

4042334000421 is a deficient number, since it is larger than the sum of its proper divisors (1796592889089).

4042334000421 is a wasteful number, since it uses less digits than its factorization.

4042334000421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449148222275 (or 449148222272 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 4042334000421 its reverse (1240004332404), we get a palindrome (5282338332825).

The spelling of 4042334000421 in words is "four trillion, forty-two billion, three hundred thirty-four million, four hundred twenty-one", and thus it is an aban number.