442024330 has 16 divisors (see below), whose sum is σ = 867975264. Its totient is φ = 160736080.

The previous prime is 442024313. The next prime is 442024333. The reversal of 442024330 is 33420244.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (442024333) 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, 2009092 + ... + 2009311.

It is an arithmetic number, because the mean of its divisors is an integer number (54248454).

Almost surely, 2^442024330 is an apocalyptic number.

442024330 is a deficient number, since it is larger than the sum of its proper divisors (425950934).

442024330 is a wasteful number, since it uses less digits than its factorization.

442024330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018421.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 442024330 is about 21024.3746637088. The cubic root of 442024330 is about 761.7551367968.

Adding to 442024330 its reverse (33420244), we get a palindrome (475444574).

The spelling of 442024330 in words is "four hundred forty-two million, twenty-four thousand, three hundred thirty".