4544004442 has 4 divisors (see below), whose sum is σ = 6816006666. Its totient is φ = 2272002220.

The previous prime is 4544004433. The next prime is 4544004463. The reversal of 4544004442 is 2444004454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4042289241 + 501715201 = 63579^2 + 22399^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136001109 + ... + 1136001112.

Almost surely, 2^4544004442 is an apocalyptic number.

4544004442 is a deficient number, since it is larger than the sum of its proper divisors (2272002224).

4544004442 is a wasteful number, since it uses less digits than its factorization.

4544004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272002223.

The product of its (nonzero) digits is 40960, while the sum is 31.

The square root of 4544004442 is about 67409.2311334286. The cubic root of 4544004442 is about 1656.3276394847.

Adding to 4544004442 its reverse (2444004454), we get a palindrome (6988008896).

The spelling of 4544004442 in words is "four billion, five hundred forty-four million, four thousand, four hundred forty-two".