2003340445 has 16 divisors (see below), whose sum is σ = 2490888960. Its totient is φ = 1544929344.

The previous prime is 2003340433. The next prime is 2003340463. The reversal of 2003340445 is 5440433002.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2003340445 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 82492 + ... + 103978.

It is an arithmetic number, because the mean of its divisors is an integer number (155680560).

Almost surely, 2^2003340445 is an apocalyptic number.

It is an amenable number.

2003340445 is a deficient number, since it is larger than the sum of its proper divisors (487548515).

2003340445 is a wasteful number, since it uses less digits than its factorization.

2003340445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22164.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2003340445 is about 44758.6912789014. The cubic root of 2003340445 is about 1260.6221092265.

Adding to 2003340445 its reverse (5440433002), we get a palindrome (7443773447).

The spelling of 2003340445 in words is "two billion, three million, three hundred forty thousand, four hundred forty-five".