442044500 has 144 divisors (see below), whose sum is σ = 1065093120. Its totient is φ = 160056000.

The previous prime is 442044487. The next prime is 442044503. The reversal of 442044500 is 5440244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442044503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5595461 + ... + 5595539.

It is an arithmetic number, because the mean of its divisors is an integer number (7396480).

Almost surely, 2^442044500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442044500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532546560).

442044500 is an abundant number, since it is smaller than the sum of its proper divisors (623048620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442044500 is a wasteful number, since it uses less digits than its factorization.

442044500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 442044500 is about 21024.8543395668. The cubic root of 442044500 is about 761.7667231631.

Adding to 442044500 its reverse (5440244), we get a palindrome (447484744).

The spelling of 442044500 in words is "four hundred forty-two million, forty-four thousand, five hundred".