4431434442 has 16 divisors (see below), whose sum is σ = 8941302720. Its totient is φ = 1464072512.

The previous prime is 4431434437. The next prime is 4431434459. The reversal of 4431434442 is 2444341344.

It is a super-2 number, since 2×4431434442² = 39275222427487702728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3267342 + ... + 3268697.

It is an arithmetic number, because the mean of its divisors is an integer number (558831420).

Almost surely, 2^4431434442 is an apocalyptic number.

4431434442 is an abundant number, since it is smaller than the sum of its proper divisors (4509868278).

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

4431434442 is a wasteful number, since it uses less digits than its factorization.

4431434442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536157.

The product of its digits is 73728, while the sum is 33.

The square root of 4431434442 is about 66569.0201369977. The cubic root of 4431434442 is about 1642.5355437126.

Adding to 4431434442 its reverse (2444341344), we get a palindrome (6875775786).

The spelling of 4431434442 in words is "four billion, four hundred thirty-one million, four hundred thirty-four thousand, four hundred forty-two".