2003440101 has 16 divisors (see below), whose sum is σ = 2877772800. Its totient is φ = 1232441280.

The previous prime is 2003440057. The next prime is 2003440129. The reversal of 2003440101 is 1010443002.

It is not a de Polignac number, because 2003440101 - 2¹⁷ = 2003309029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003440151) 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 15 ways as a sum of consecutive naturals, for example, 124675 + ... + 139823.

It is an arithmetic number, because the mean of its divisors is an integer number (179860800).

Almost surely, 2^2003440101 is an apocalyptic number.

It is an amenable number.

2003440101 is a deficient number, since it is larger than the sum of its proper divisors (874332699).

2003440101 is a wasteful number, since it uses less digits than its factorization.

2003440101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18556.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2003440101 is about 44759.8045237018. The cubic root of 2003440101 is about 1260.6430120598.

Adding to 2003440101 its reverse (1010443002), we get a palindrome (3013883103).

The spelling of 2003440101 in words is "two billion, three million, four hundred forty thousand, one hundred one".