442825890 has 32 divisors (see below), whose sum is σ = 1144535616. Its totient is φ = 109003200.

The previous prime is 442825883. The next prime is 442825891. The reversal of 442825890 is 98528244.

It is not an unprimeable number, because it can be changed into a prime (442825891) 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, 567336 + ... + 568115.

It is an arithmetic number, because the mean of its divisors is an integer number (35766738).

Almost surely, 2^442825890 is an apocalyptic number.

442825890 is an abundant number, since it is smaller than the sum of its proper divisors (701709726).

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

442825890 is a wasteful number, since it uses less digits than its factorization.

442825890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135474.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 442825890 is about 21043.4286655003. The cubic root of 442825890 is about 762.2153103648.

The spelling of 442825890 in words is "four hundred forty-two million, eight hundred twenty-five thousand, eight hundred ninety".