442120210 has 16 divisors (see below), whose sum is σ = 909504576. Its totient is φ = 151584048.

The previous prime is 442120201. The next prime is 442120213. The reversal of 442120210 is 12021244.

It is not an unprimeable number, because it can be changed into a prime (442120213) 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, 3157932 + ... + 3158071.

It is an arithmetic number, because the mean of its divisors is an integer number (56844036).

Almost surely, 2^442120210 is an apocalyptic number.

442120210 is an abundant number, since it is smaller than the sum of its proper divisors (467384366).

442120210 is a wasteful number, since it uses less digits than its factorization.

442120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6316017.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 442120210 is about 21026.6547505779. The cubic root of 442120210 is about 761.8102105392.

Adding to 442120210 its reverse (12021244), we get a palindrome (454141454).

The spelling of 442120210 in words is "four hundred forty-two million, one hundred twenty thousand, two hundred ten".