4003244442 has 48 divisors (see below), whose sum is σ = 8869840200. Its totient is φ = 1304424576.

The previous prime is 4003244429. The next prime is 4003244447. The reversal of 4003244442 is 2444423004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3525865641 + 477378801 = 59379^2 + 21849^2 .

It is not an unprimeable number, because it can be changed into a prime (4003244447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256684 + ... + 271832.

Almost surely, 2^4003244442 is an apocalyptic number.

4003244442 is an abundant number, since it is smaller than the sum of its proper divisors (4866595758).

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

4003244442 is a wasteful number, since it uses less digits than its factorization.

4003244442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487 (or 15484 counting only the distinct ones).

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

The square root of 4003244442 is about 63271.1975704586. The cubic root of 4003244442 is about 1587.8301218684.

Adding to 4003244442 its reverse (2444423004), we get a palindrome (6447667446).

The spelling of 4003244442 in words is "four billion, three million, two hundred forty-four thousand, four hundred forty-two".