442474608 has 80 divisors (see below), whose sum is σ = 1166416416. Its totient is φ = 144506880.

The previous prime is 442474579. The next prime is 442474609. The reversal of 442474608 is 806474244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442474609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689968 + ... + 690608.

Almost surely, 2^442474608 is an apocalyptic number.

442474608 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 442474608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (583208208).

442474608 is an abundant number, since it is smaller than the sum of its proper divisors (723941808).

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

442474608 is a wasteful number, since it uses less digits than its factorization.

442474608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 39.

The square root of 442474608 is about 21035.0804134427. The cubic root of 442474608 is about 762.0137086697.

The spelling of 442474608 in words is "four hundred forty-two million, four hundred seventy-four thousand, six hundred eight".