2102440004 has 48 divisors (see below), whose sum is σ = 4302764928. Its totient is φ = 880305408.

The previous prime is 2102439971. The next prime is 2102440007. The reversal of 2102440004 is 4000442012.

It is not an unprimeable number, because it can be changed into a prime (2102440007) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 213902 + ... + 223514.

It is an arithmetic number, because the mean of its divisors is an integer number (89640936).

Almost surely, 2^2102440004 is an apocalyptic number.

It is an amenable number.

2102440004 is an abundant number, since it is smaller than the sum of its proper divisors (2200324924).

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

2102440004 is a wasteful number, since it uses less digits than its factorization.

2102440004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9804 (or 9802 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2102440004 is about 45852.3718470484. The cubic root of 2102440004 is about 1281.0749441770.

Adding to 2102440004 its reverse (4000442012), we get a palindrome (6102882016).

The spelling of 2102440004 in words is "two billion, one hundred two million, four hundred forty thousand, four".