2304440442 has 56 divisors (see below), whose sum is σ = 5234267700. Its totient is φ = 760492800.

The previous prime is 2304440431. The next prime is 2304440447. The reversal of 2304440442 is 2440444032.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2276148681 + 28291761 = 47709^2 + 5319^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2304440447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 139434 + ... + 155082.

Almost surely, 2^2304440442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2304440442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2617133850).

2304440442 is an abundant number, since it is smaller than the sum of its proper divisors (2929827258).

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

2304440442 is a wasteful number, since it uses less digits than its factorization.

2304440442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15770 (or 15755 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 2304440442 is about 48004.5877182588. The cubic root of 2304440442 is about 1320.8550555058.

Adding to 2304440442 its reverse (2440444032), we get a palindrome (4744884474).

The spelling of 2304440442 in words is "two billion, three hundred four million, four hundred forty thousand, four hundred forty-two".