442032234 has 48 divisors (see below), whose sum is σ = 1053513216. Its totient is φ = 123211200.

The previous prime is 442032223. The next prime is 442032287. The reversal of 442032234 is 432230244.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6282 + ... + 30389.

It is an arithmetic number, because the mean of its divisors is an integer number (21948192).

Almost surely, 2^442032234 is an apocalyptic number.

442032234 is an abundant number, since it is smaller than the sum of its proper divisors (611480982).

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

442032234 is a wasteful number, since it uses less digits than its factorization.

442032234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36731 (or 36724 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 442032234 is about 21024.5626351656. The cubic root of 442032234 is about 761.7596771779.

Adding to 442032234 its reverse (432230244), we get a palindrome (874262478).

The spelling of 442032234 in words is "four hundred forty-two million, thirty-two thousand, two hundred thirty-four".