2100144444 has 24 divisors (see below), whose sum is σ = 5113395840. Its totient is φ = 669611184.

The previous prime is 2100144443. The next prime is 2100144463. The reversal of 2100144444 is 4444410012.

It is a happy number.

It is a super-3 number, since 3×2100144444³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100144443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3804334 + ... + 3804885.

It is an arithmetic number, because the mean of its divisors is an integer number (213058160).

Almost surely, 2^2100144444 is an apocalyptic number.

It is an amenable number.

2100144444 is an abundant number, since it is smaller than the sum of its proper divisors (3013251396).

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

2100144444 is a wasteful number, since it uses less digits than its factorization.

2100144444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7609249 (or 7609247 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2100144444 is about 45827.3329357055. The cubic root of 2100144444 is about 1280.6085249456.

Adding to 2100144444 its reverse (4444410012), we get a palindrome (6544554456).

The spelling of 2100144444 in words is "two billion, one hundred million, one hundred forty-four thousand, four hundred forty-four".