442424304 has 60 divisors (see below), whose sum is σ = 1415058736. Its totient is φ = 126406656.

The previous prime is 442424299. The next prime is 442424309. The reversal of 442424304 is 403424244.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (442424299) and next prime (442424309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442424309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218449 + ... + 220464.

Almost surely, 2^442424304 is an apocalyptic number.

It is an amenable number.

442424304 is an abundant number, since it is smaller than the sum of its proper divisors (972634432).

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

442424304 is a wasteful number, since it uses less digits than its factorization.

442424304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438934 (or 438925 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 442424304 is about 21033.8846626105. The cubic root of 442424304 is about 761.9848303343.

Adding to 442424304 its reverse (403424244), we get a palindrome (845848548).

The spelling of 442424304 in words is "four hundred forty-two million, four hundred twenty-four thousand, three hundred four".