2140044403 has 4 divisors (see below), whose sum is σ = 2445765040. Its totient is φ = 1834323768.

The previous prime is 2140044377. The next prime is 2140044419. The reversal of 2140044403 is 3044400412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2140044403 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2140044463) 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, 152860308 + ... + 152860321.

It is an arithmetic number, because the mean of its divisors is an integer number (611441260).

Almost surely, 2^2140044403 is an apocalyptic number.

2140044403 is a deficient number, since it is larger than the sum of its proper divisors (305720637).

2140044403 is an equidigital number, since it uses as much as digits as its factorization.

2140044403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305720636.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2140044403 is about 46260.6139496656. The cubic root of 2140044403 is about 1288.6676553020.

Adding to 2140044403 its reverse (3044400412), we get a palindrome (5184444815).

The spelling of 2140044403 in words is "two billion, one hundred forty million, forty-four thousand, four hundred three".