4431340242 has 96 divisors (see below), whose sum is σ = 11202033024. Its totient is φ = 1239840000.

The previous prime is 4431340217. The next prime is 4431340267. The reversal of 4431340242 is 2420431344.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4431340217) and next prime (4431340267).

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 47 ways as a sum of consecutive naturals, for example, 1928038 + ... + 1930334.

It is an arithmetic number, because the mean of its divisors is an integer number (116687844).

Almost surely, 2^4431340242 is an apocalyptic number.

4431340242 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 4431340242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5601016512).

4431340242 is an abundant number, since it is smaller than the sum of its proper divisors (6770692782).

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

4431340242 is a wasteful number, since it uses less digits than its factorization.

4431340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2624 (or 2621 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4431340242 is about 66568.3125969106. The cubic root of 4431340242 is about 1642.5239050474.

Adding to 4431340242 its reverse (2420431344), we get a palindrome (6851771586).

The spelling of 4431340242 in words is "four billion, four hundred thirty-one million, three hundred forty thousand, two hundred forty-two".