442012434 has 16 divisors (see below), whose sum is σ = 907917888. Its totient is φ = 143355312.

The previous prime is 442012429. The next prime is 442012453. The reversal of 442012434 is 434210244.

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, 995302 + ... + 995745.

It is an arithmetic number, because the mean of its divisors is an integer number (56744868).

Almost surely, 2^442012434 is an apocalyptic number.

442012434 is an abundant number, since it is smaller than the sum of its proper divisors (465905454).

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

442012434 is a wasteful number, since it uses less digits than its factorization.

442012434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991089.

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

The square root of 442012434 is about 21024.0917520829. The cubic root of 442012434 is about 761.7483031455.

Adding to 442012434 its reverse (434210244), we get a palindrome (876222678).

The spelling of 442012434 in words is "four hundred forty-two million, twelve thousand, four hundred thirty-four".