442589368 has 96 divisors (see below), whose sum is σ = 962375040. Its totient is φ = 190270080.

The previous prime is 442589359. The next prime is 442589417. The reversal of 442589368 is 863985244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1336963 + ... + 1337293.

It is an arithmetic number, because the mean of its divisors is an integer number (10024740).

Almost surely, 2^442589368 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 442589368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481187520).

442589368 is an abundant number, since it is smaller than the sum of its proper divisors (519785672).

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

442589368 is a wasteful number, since it uses less digits than its factorization.

442589368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 412 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 49.

The square root of 442589368 is about 21037.8080607272. The cubic root of 442589368 is about 762.0795814772.

The spelling of 442589368 in words is "four hundred forty-two million, five hundred eighty-nine thousand, three hundred sixty-eight".