442444524 has 48 divisors (see below), whose sum is σ = 1068963840. Its totient is φ = 142283520.

The previous prime is 442444463. The next prime is 442444573. The reversal of 442444524 is 425444244.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 131892 + ... + 135204.

It is an arithmetic number, because the mean of its divisors is an integer number (22270080).

Almost surely, 2^442444524 is an apocalyptic number.

It is an amenable number.

442444524 is an abundant number, since it is smaller than the sum of its proper divisors (626519316).

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

442444524 is a wasteful number, since it uses less digits than its factorization.

442444524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710 (or 3708 counting only the distinct ones).

The product of its digits is 81920, while the sum is 33.

The square root of 442444524 is about 21034.3653101300. The cubic root of 442444524 is about 761.9964384207.

Adding to 442444524 its reverse (425444244), we get a palindrome (867888768).

The spelling of 442444524 in words is "four hundred forty-two million, four hundred forty-four thousand, five hundred twenty-four".