2004660690 has 32 divisors (see below), whose sum is σ = 4890062016. Its totient is φ = 525812160.

The previous prime is 2004660677. The next prime is 2004660719. The reversal of 2004660690 is 960664002.

It is a super-2 number, since 2×2004660690² = 8037328964062552200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 545892 + ... + 549551.

It is an arithmetic number, because the mean of its divisors is an integer number (152814438).

Almost surely, 2^2004660690 is an apocalyptic number.

2004660690 is an abundant number, since it is smaller than the sum of its proper divisors (2885401326).

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

2004660690 is a wasteful number, since it uses less digits than its factorization.

2004660690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095514.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 2004660690 is about 44773.4373261647. The cubic root of 2004660690 is about 1260.8989742271.

The spelling of 2004660690 in words is "two billion, four million, six hundred sixty thousand, six hundred ninety".