2102002444 has 6 divisors (see below), whose sum is σ = 3678504284. Its totient is φ = 1051001220.

The previous prime is 2102002439. The next prime is 2102002459. The reversal of 2102002444 is 4442002012.

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, 262750302 + ... + 262750309.

Almost surely, 2^2102002444 is an apocalyptic number.

It is an amenable number.

2102002444 is a deficient number, since it is larger than the sum of its proper divisors (1576501840).

2102002444 is a wasteful number, since it uses less digits than its factorization.

2102002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525500615 (or 525500613 counting only the distinct ones).

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

The square root of 2102002444 is about 45847.6001989199. The cubic root of 2102002444 is about 1280.9860655339.

Adding to 2102002444 its reverse (4442002012), we get a palindrome (6544004456).

The spelling of 2102002444 in words is "two billion, one hundred two million, two thousand, four hundred forty-four".