442504405244 has 48 divisors (see below), whose sum is σ = 854110214496. Its totient is φ = 198924902400.

The previous prime is 442504405207. The next prime is 442504405247.

442504405244 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 442504405198 and 442504405207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442504405247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2195564 + ... + 2388620.

It is an arithmetic number, because the mean of its divisors is an integer number (17793962802).

Almost surely, 2^442504405244 is an apocalyptic number.

442504405244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442504405244 is a deficient number, since it is larger than the sum of its proper divisors (411605809252).

442504405244 is a wasteful number, since it uses less digits than its factorization.

442504405244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193646 (or 193644 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 38.

It can be divided in two parts, 442504 and 405244, that added together give a palindrome (847748).

The spelling of 442504405244 in words is "four hundred forty-two billion, five hundred four million, four hundred five thousand, two hundred forty-four".