442661104 has 20 divisors (see below), whose sum is σ = 887231160. Its totient is φ = 213698240.

The previous prime is 442661077. The next prime is 442661117. The reversal of 442661104 is 401166244.

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, 476542 + ... + 477469.

It is an arithmetic number, because the mean of its divisors is an integer number (44361558).

Almost surely, 2^442661104 is an apocalyptic number.

It is an amenable number.

442661104 is an abundant number, since it is smaller than the sum of its proper divisors (444570056).

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

442661104 is a wasteful number, since it uses less digits than its factorization.

442661104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954048 (or 954042 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 442661104 is about 21039.5129221187. The cubic root of 442661104 is about 762.1207525125.

The spelling of 442661104 in words is "four hundred forty-two million, six hundred sixty-one thousand, one hundred four".