442928000 has 256 divisors, whose sum is σ = 1222041600. Its totient is φ = 158976000.

The previous prime is 442927937. The next prime is 442928009. The reversal of 442928000 is 829244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442928009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9423977 + ... + 9424023.

It is an arithmetic number, because the mean of its divisors is an integer number (4773600).

Almost surely, 2^442928000 is an apocalyptic number.

442928000 is a gapful number since it is divisible by the number (40) 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 442928000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611020800).

442928000 is an abundant number, since it is smaller than the sum of its proper divisors (779113600).

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

442928000 is a wasteful number, since it uses less digits than its factorization.

442928000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 442928000 is about 21045.8546987287. The cubic root of 442928000 is about 762.2738915707.

The spelling of 442928000 in words is "four hundred forty-two million, nine hundred twenty-eight thousand".