442235004 has 12 divisors (see below), whose sum is σ = 1031881704. Its totient is φ = 147411664.

The previous prime is 442234993. The next prime is 442235011. The reversal of 442235004 is 400532244.

It is a tau number, because it is divible by the number of its divisors (12).

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, 18426447 + ... + 18426470.

It is an arithmetic number, because the mean of its divisors is an integer number (85990142).

Almost surely, 2^442235004 is an apocalyptic number.

It is an amenable number.

442235004 is an abundant number, since it is smaller than the sum of its proper divisors (589646700).

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

442235004 is a wasteful number, since it uses less digits than its factorization.

442235004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36852924 (or 36852922 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 442235004 is about 21029.3842991182. The cubic root of 442235004 is about 761.8761380643.

Adding to 442235004 its reverse (400532244), we get a palindrome (842767248).

The spelling of 442235004 in words is "four hundred forty-two million, two hundred thirty-five thousand, four".