2004035540 has 48 divisors (see below), whose sum is σ = 4729269888. Its totient is φ = 707777664.

The previous prime is 2004035533. The next prime is 2004035543. The reversal of 2004035540 is 455304002.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004035543) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 161582 + ... + 173541.

It is an arithmetic number, because the mean of its divisors is an integer number (98526456).

Almost surely, 2^2004035540 is an apocalyptic number.

2004035540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2004035540 is an abundant number, since it is smaller than the sum of its proper divisors (2725234348).

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

2004035540 is a wasteful number, since it uses less digits than its factorization.

2004035540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335168 (or 335166 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2004035540 is about 44766.4555219642. The cubic root of 2004035540 is about 1260.7678908722.

Adding to 2004035540 its reverse (455304002), we get a palindrome (2459339542).

The spelling of 2004035540 in words is "two billion, four million, thirty-five thousand, five hundred forty".