442534144051 has 4 divisors (see below), whose sum is σ = 442536120432. Its totient is φ = 442532167672.

The previous prime is 442534144049. The next prime is 442534144081. The reversal of 442534144051 is 150441435244.

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

It is a cyclic number.

It is not a de Polignac number, because 442534144051 - 2¹ = 442534144049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442534144051.

It is not an unprimeable number, because it can be changed into a prime (442534144021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602020 + ... + 1116913.

It is an arithmetic number, because the mean of its divisors is an integer number (110634030108).

Almost surely, 2^442534144051 is an apocalyptic number.

442534144051 is a deficient number, since it is larger than the sum of its proper divisors (1976381).

442534144051 is a wasteful number, since it uses less digits than its factorization.

442534144051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976380.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 442534144051 its reverse (150441435244), we get a palindrome (592975579295).

The spelling of 442534144051 in words is "four hundred forty-two billion, five hundred thirty-four million, one hundred forty-four thousand, fifty-one".