2056428546 has 8 divisors (see below), whose sum is σ = 4112857104. Its totient is φ = 685476180.

The previous prime is 2056428503. The next prime is 2056428557. The reversal of 2056428546 is 6458246502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2056428546 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2056428498 and 2056428507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171369040 + ... + 171369051.

It is an arithmetic number, because the mean of its divisors is an integer number (514107138).

Almost surely, 2^2056428546 is an apocalyptic number.

2056428546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2056428546 is a wasteful number, since it uses less digits than its factorization.

2056428546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342738096.

The product of its (nonzero) digits is 460800, while the sum is 42.

The square root of 2056428546 is about 45347.8615372324. The cubic root of 2056428546 is about 1271.6605772793.

The spelling of 2056428546 in words is "two billion, fifty-six million, four hundred twenty-eight thousand, five hundred forty-six".