2056605208 has 64 divisors (see below), whose sum is σ = 4474955520. Its totient is φ = 867888000.

The previous prime is 2056605203. The next prime is 2056605227. The reversal of 2056605208 is 8025066502.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056605203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1956283 + ... + 1957333.

It is an arithmetic number, because the mean of its divisors is an integer number (69921180).

Almost surely, 2^2056605208 is an apocalyptic number.

2056605208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2056605208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2237477760).

2056605208 is an abundant number, since it is smaller than the sum of its proper divisors (2418350312).

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

2056605208 is a wasteful number, since it uses less digits than its factorization.

2056605208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2056605208 is about 45349.8093491031. The cubic root of 2056605208 is about 1271.6969911660.

The spelling of 2056605208 in words is "two billion, fifty-six million, six hundred five thousand, two hundred eight".