442035312 has 20 divisors (see below), whose sum is σ = 1141924680. Its totient is φ = 147345088.

The previous prime is 442035301. The next prime is 442035331. The reversal of 442035312 is 213530244.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 4604487 + ... + 4604582.

It is an arithmetic number, because the mean of its divisors is an integer number (57096234).

Almost surely, 2^442035312 is an apocalyptic number.

It is an amenable number.

442035312 is an abundant number, since it is smaller than the sum of its proper divisors (699889368).

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

442035312 is a wasteful number, since it uses less digits than its factorization.

442035312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209080 (or 9209074 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 442035312 is about 21024.6358351340. The cubic root of 442035312 is about 761.7614452924.

Adding to 442035312 its reverse (213530244), we get a palindrome (655565556).

The spelling of 442035312 in words is "four hundred forty-two million, thirty-five thousand, three hundred twelve".