1002444041 has 4 divisors (see below), whose sum is σ = 1003614612. Its totient is φ = 1001273472.

The previous prime is 1002444019. The next prime is 1002444061. The reversal of 1002444041 is 1404442001.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 785176441 + 217267600 = 28021^2 + 14740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002444041 - 2⁶ = 1002443977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002444061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584000 + ... + 585713.

It is an arithmetic number, because the mean of its divisors is an integer number (250903653).

Almost surely, 2^1002444041 is an apocalyptic number.

It is an amenable number.

1002444041 is a deficient number, since it is larger than the sum of its proper divisors (1170571).

1002444041 is an equidigital number, since it uses as much as digits as its factorization.

1002444041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170570.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1002444041 is about 31661.3967000826. The cubic root of 1002444041 is about 1000.8140175290.

Adding to 1002444041 its reverse (1404442001), we get a palindrome (2406886042).

The spelling of 1002444041 in words is "one billion, two million, four hundred forty-four thousand, forty-one".