2056426806 has 24 divisors (see below), whose sum is σ = 4784340600. Its totient is φ = 587550432.

The previous prime is 2056426793. The next prime is 2056426807. The reversal of 2056426806 is 6086246502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056426807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3497031 + ... + 3497618.

It is an arithmetic number, because the mean of its divisors is an integer number (199347525).

Almost surely, 2^2056426806 is an apocalyptic number.

2056426806 is an abundant number, since it is smaller than the sum of its proper divisors (2727913794).

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

2056426806 is a wasteful number, since it uses less digits than its factorization.

2056426806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6994668 (or 6994661 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2056426806 is about 45347.8423522002. The cubic root of 2056426806 is about 1271.6602186171.

The spelling of 2056426806 in words is "two billion, fifty-six million, four hundred twenty-six thousand, eight hundred six".