442025312 has 24 divisors (see below), whose sum is σ = 870851016. Its totient is φ = 220856832.

The previous prime is 442025261. The next prime is 442025323. The reversal of 442025312 is 213520244.

It is a happy number.

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, 51128 + ... + 59144.

It is an arithmetic number, because the mean of its divisors is an integer number (36285459).

Almost surely, 2^442025312 is an apocalyptic number.

It is an amenable number.

442025312 is a deficient number, since it is larger than the sum of its proper divisors (428825704).

442025312 is a wasteful number, since it uses less digits than its factorization.

442025312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9750 (or 9742 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 442025312 is about 21024.3980175414. The cubic root of 442025312 is about 761.7557009007.

Adding to 442025312 its reverse (213520244), we get a palindrome (655545556).

The spelling of 442025312 in words is "four hundred forty-two million, twenty-five thousand, three hundred twelve".