442441304 has 16 divisors (see below), whose sum is σ = 830027520. Its totient is φ = 221100640.

The previous prime is 442441273. The next prime is 442441327. The reversal of 442441304 is 403144244.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1769 + ... + 29799.

It is an arithmetic number, because the mean of its divisors is an integer number (51876720).

Almost surely, 2^442441304 is an apocalyptic number.

It is an amenable number.

442441304 is a deficient number, since it is larger than the sum of its proper divisors (387586216).

442441304 is a wasteful number, since it uses less digits than its factorization.

442441304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30010 (or 30006 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 442441304 is about 21034.2887685797. The cubic root of 442441304 is about 761.9945898767.

Adding to 442441304 its reverse (403144244), we get a palindrome (845585548).

The spelling of 442441304 in words is "four hundred forty-two million, four hundred forty-one thousand, three hundred four".