2004555085 has 32 divisors (see below), whose sum is σ = 2777725440. Its totient is φ = 1375515648.

The previous prime is 2004555073. The next prime is 2004555103. The reversal of 2004555085 is 5805554002.

It is not a de Polignac number, because 2004555085 - 2¹¹ = 2004553037 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2004555085.

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 31 ways as a sum of consecutive naturals, for example, 75814 + ... + 98776.

It is an arithmetic number, because the mean of its divisors is an integer number (86803920).

Almost surely, 2^2004555085 is an apocalyptic number.

It is an amenable number.

2004555085 is a deficient number, since it is larger than the sum of its proper divisors (773170355).

2004555085 is a wasteful number, since it uses less digits than its factorization.

2004555085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23077.

The product of its (nonzero) digits is 40000, while the sum is 34.

The square root of 2004555085 is about 44772.2579841580. The cubic root of 2004555085 is about 1260.8768325624.

The spelling of 2004555085 in words is "two billion, four million, five hundred fifty-five thousand, eighty-five".