442000022434421 has 4 divisors (see below), whose sum is σ = 482181842655744. Its totient is φ = 401818202213100.

The previous prime is 442000022434349. The next prime is 442000022434427. The reversal of 442000022434421 is 124434220000244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442000022434421 - 2¹⁴ = 442000022418037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442000022434427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20090910110645 + ... + 20090910110666.

It is an arithmetic number, because the mean of its divisors is an integer number (120545460663936).

Almost surely, 2^{442000022434421} is an apocalyptic number.

It is an amenable number.

442000022434421 is a deficient number, since it is larger than the sum of its proper divisors (40181820221323).

442000022434421 is a wasteful number, since it uses less digits than its factorization.

442000022434421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40181820221322.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 442000022434421 its reverse (124434220000244), we get a palindrome (566434242434665).

The spelling of 442000022434421 in words is "four hundred forty-two trillion, twenty-two million, four hundred thirty-four thousand, four hundred twenty-one".