1004440113 has 6 divisors (see below), whose sum is σ = 1450857954. Its totient is φ = 669626736.

The previous prime is 1004440093. The next prime is 1004440117. The reversal of 1004440113 is 3110444001.

It can be written as a sum of positive squares in only one way, i.e., 560410929 + 444029184 = 23673^2 + 21072^2 .

It is not a de Polignac number, because 1004440113 - 2⁸ = 1004439857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1004440117) 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 5 ways as a sum of consecutive naturals, for example, 55802220 + ... + 55802237.

It is an arithmetic number, because the mean of its divisors is an integer number (241809659).

Almost surely, 2^1004440113 is an apocalyptic number.

It is an amenable number.

1004440113 is a deficient number, since it is larger than the sum of its proper divisors (446417841).

1004440113 is a wasteful number, since it uses less digits than its factorization.

1004440113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111604463 (or 111604460 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1004440113 is about 31692.9031961416. The cubic root of 1004440113 is about 1001.4778525426.

Adding to 1004440113 its reverse (3110444001), we get a palindrome (4114884114).

The spelling of 1004440113 in words is "one billion, four million, four hundred forty thousand, one hundred thirteen".