2003304310040 has 32 divisors (see below), whose sum is σ = 4917201489360. Its totient is φ = 728474294400.

The previous prime is 2003304310027. The next prime is 2003304310057. The reversal of 2003304310040 is 400134033002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2003304309994 and 2003304310021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2276481731 + ... + 2276482610.

Almost surely, 2^{2003304310040} is an apocalyptic number.

2003304310040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003304310040 is an abundant number, since it is smaller than the sum of its proper divisors (2913897179320).

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

2003304310040 is a wasteful number, since it uses less digits than its factorization.

2003304310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4552964363 (or 4552964359 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 2003304310040 its reverse (400134033002), we get a palindrome (2403438343042).

The spelling of 2003304310040 in words is "two trillion, three billion, three hundred four million, three hundred ten thousand, forty".