442113330 has 32 divisors (see below), whose sum is σ = 1061699904. Its totient is φ = 117827136.

The previous prime is 442113319. The next prime is 442113391. The reversal of 442113330 is 33311244.

It is a junction number, because it is equal to n+sod(n) for n = 442113297 and 442113306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65577 + ... + 72003.

It is an arithmetic number, because the mean of its divisors is an integer number (33178122).

Almost surely, 2^442113330 is an apocalyptic number.

442113330 is an abundant number, since it is smaller than the sum of its proper divisors (619586574).

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

442113330 is a wasteful number, since it uses less digits than its factorization.

442113330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8730.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 442113330 is about 21026.4911480732. The cubic root of 442113330 is about 761.8062589130.

Adding to 442113330 its reverse (33311244), we get a palindrome (475424574).

The spelling of 442113330 in words is "four hundred forty-two million, one hundred thirteen thousand, three hundred thirty".