442431420134043 has 4 divisors (see below), whose sum is σ = 589908560178728. Its totient is φ = 294954280089360.

The previous prime is 442431420134009. The next prime is 442431420134047. The reversal of 442431420134043 is 340431024134244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 442431420134043 - 2¹⁶ = 442431420068507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 442431420133992 and 442431420134010.

It is not an unprimeable number, because it can be changed into a prime (442431420134047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73738570022338 + ... + 73738570022343.

It is an arithmetic number, because the mean of its divisors is an integer number (147477140044682).

Almost surely, 2^{442431420134043} is an apocalyptic number.

442431420134043 is a deficient number, since it is larger than the sum of its proper divisors (147477140044685).

442431420134043 is a wasteful number, since it uses less digits than its factorization.

442431420134043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147477140044684.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 442431420134043 its reverse (340431024134244), we get a palindrome (782862444268287).

The spelling of 442431420134043 in words is "four hundred forty-two trillion, four hundred thirty-one billion, four hundred twenty million, one hundred thirty-four thousand, forty-three".