442021104334503 has 16 divisors (see below), whose sum is σ = 675970147609600. Its totient is φ = 285174906021720.

The previous prime is 442021104334487. The next prime is 442021104334573. The reversal of 442021104334503 is 305433401120244.

442021104334503 is a `hidden beast` number, since 4 + 4 + 2 + 0 + 2 + 110 + 4 + 3 + 34 + 503 = 666.

It is not a de Polignac number, because 442021104334503 - 2⁴ = 442021104334487 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 (442021104334573) 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, 264050838073 + ... + 264050839746.

It is an arithmetic number, because the mean of its divisors is an integer number (42248134225600).

Almost surely, 2^{442021104334503} is an apocalyptic number.

442021104334503 is a deficient number, since it is larger than the sum of its proper divisors (233949043275097).

442021104334503 is a wasteful number, since it uses less digits than its factorization.

442021104334503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528101677859 (or 528101677853 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 442021104334503 its reverse (305433401120244), we get a palindrome (747454505454747).

The spelling of 442021104334503 in words is "four hundred forty-two trillion, twenty-one billion, one hundred four million, three hundred thirty-four thousand, five hundred three".