2013040404 has 24 divisors (see below), whose sum is σ = 5218993920. Its totient is φ = 671013432.

The previous prime is 2013040391. The next prime is 2013040429. The reversal of 2013040404 is 4040403102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9319524 + ... + 9319739.

It is an arithmetic number, because the mean of its divisors is an integer number (217458080).

Almost surely, 2^2013040404 is an apocalyptic number.

It is an amenable number.

2013040404 is an abundant number, since it is smaller than the sum of its proper divisors (3205953516).

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

2013040404 is a wasteful number, since it uses less digits than its factorization.

2013040404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18639276 (or 18639268 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2013040404 is about 44866.9188155371. The cubic root of 2013040404 is about 1262.6534331577.

Adding to 2013040404 its reverse (4040403102), we get a palindrome (6053443506).

The spelling of 2013040404 in words is "two billion, thirteen million, forty thousand, four hundred four".