442443032 has 32 divisors (see below), whose sum is σ = 843333120. Its totient is φ = 217570080.

The previous prime is 442443031. The next prime is 442443041. The reversal of 442443032 is 230344244.

It is a junction number, because it is equal to n+sod(n) for n = 442442992 and 442443010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442443031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332753 + ... + 334079.

It is an arithmetic number, because the mean of its divisors is an integer number (26354160).

Almost surely, 2^442443032 is an apocalyptic number.

It is an amenable number.

442443032 is a deficient number, since it is larger than the sum of its proper divisors (400890088).

442443032 is a wasteful number, since it uses less digits than its factorization.

442443032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 442443032 is about 21034.3298443283. The cubic root of 442443032 is about 761.9955818915.

Adding to 442443032 its reverse (230344244), we get a palindrome (672787276).

The spelling of 442443032 in words is "four hundred forty-two million, four hundred forty-three thousand, thirty-two".