1004004442 has 8 divisors (see below), whose sum is σ = 1721150496. Its totient is φ = 430287612.

The previous prime is 1004004431. The next prime is 1004004451. The reversal of 1004004442 is 2444004001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35857288 + ... + 35857315.

It is an arithmetic number, because the mean of its divisors is an integer number (215143812).

Almost surely, 2^1004004442 is an apocalyptic number.

1004004442 is a deficient number, since it is larger than the sum of its proper divisors (717146054).

1004004442 is an equidigital number, since it uses as much as digits as its factorization.

1004004442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71714612.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1004004442 is about 31686.0291295707. The cubic root of 1004004442 is about 1001.3330362248. Note that the first 3 decimals are identical.

Adding to 1004004442 its reverse (2444004001), we get a palindrome (3448008443).

The spelling of 1004004442 in words is "one billion, four million, four thousand, four hundred forty-two".