442431204 has 24 divisors (see below), whose sum is σ = 1033176480. Its totient is φ = 147357504.

The previous prime is 442431179. The next prime is 442431211. The reversal of 442431204 is 402134244.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1167 + ... + 29769.

It is an arithmetic number, because the mean of its divisors is an integer number (43049020).

Almost surely, 2^442431204 is an apocalyptic number.

It is an amenable number.

442431204 is an abundant number, since it is smaller than the sum of its proper divisors (590745276).

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

442431204 is a wasteful number, since it uses less digits than its factorization.

442431204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29899 (or 29897 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 442431204 is about 21034.0486830282. The cubic root of 442431204 is about 761.9887915905.

Adding to 442431204 its reverse (402134244), we get a palindrome (844565448).

The spelling of 442431204 in words is "four hundred forty-two million, four hundred thirty-one thousand, two hundred four".