2006800056 has 128 divisors (see below), whose sum is σ = 5708102400. Its totient is φ = 653028480.

The previous prime is 2006799989. The next prime is 2006800069. The reversal of 2006800056 is 6500086002.

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 (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3514251 + ... + 3514821.

It is an arithmetic number, because the mean of its divisors is an integer number (44594550).

Almost surely, 2^2006800056 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 2006800056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2854051200).

2006800056 is an abundant number, since it is smaller than the sum of its proper divisors (3701302344).

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

2006800056 is a wasteful number, since it uses less digits than its factorization.

2006800056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946 (or 936 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2006800056 is about 44797.3219735287. The cubic root of 2006800056 is about 1261.3473569021.

Adding to 2006800056 its reverse (6500086002), we get a palindrome (8506886058).

The spelling of 2006800056 in words is "two billion, six million, eight hundred thousand, fifty-six".