2003004240 has 80 divisors (see below), whose sum is σ = 6409637376. Its totient is φ = 516902400.

The previous prime is 2003004193. The next prime is 2003004247. The reversal of 2003004240 is 424003002.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003004247) 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, 127171 + ... + 142050.

Almost surely, 2^2003004240 is an apocalyptic number.

2003004240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003004240 is an abundant number, since it is smaller than the sum of its proper divisors (4406633136).

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

2003004240 is a wasteful number, since it uses less digits than its factorization.

2003004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269268 (or 269262 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 2003004240 is about 44754.9353703030. The cubic root of 2003004240 is about 1260.5515851561.

Adding to 2003004240 its reverse (424003002), we get a palindrome (2427007242).

The spelling of 2003004240 in words is "two billion, three million, four thousand, two hundred forty".