2005026804 has 96 divisors (see below), whose sum is σ = 5853818880. Its totient is φ = 587973600.

The previous prime is 2005026787. The next prime is 2005026823. The reversal of 2005026804 is 4086205002.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9607 + ... + 64049.

It is an arithmetic number, because the mean of its divisors is an integer number (60977280).

Almost surely, 2^2005026804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2005026804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2926909440).

2005026804 is an abundant number, since it is smaller than the sum of its proper divisors (3848792076).

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

2005026804 is a wasteful number, since it uses less digits than its factorization.

2005026804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54498 (or 54490 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 2005026804 is about 44777.5256574099. The cubic root of 2005026804 is about 1260.9757294721.

The spelling of 2005026804 in words is "two billion, five million, twenty-six thousand, eight hundred four".