4431421442 has 32 divisors (see below), whose sum is σ = 7732195200. Its totient is φ = 1865369088.

The previous prime is 4431421417. The next prime is 4431421451. The reversal of 4431421442 is 2441241344.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707698 + ... + 1710290.

It is an arithmetic number, because the mean of its divisors is an integer number (241631100).

Almost surely, 2^4431421442 is an apocalyptic number.

4431421442 is a deficient number, since it is larger than the sum of its proper divisors (3300773758).

4431421442 is a wasteful number, since it uses less digits than its factorization.

4431421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730.

The product of its digits is 12288, while the sum is 29.

The square root of 4431421442 is about 66568.9224939085. The cubic root of 4431421442 is about 1642.5339375372.

Adding to 4431421442 its reverse (2441241344), we get a palindrome (6872662786).

It can be divided in two parts, 44314 and 21442, that added together give a palindrome (65756).

The spelling of 4431421442 in words is "four billion, four hundred thirty-one million, four hundred twenty-one thousand, four hundred forty-two".