2028658056 has 16 divisors (see below), whose sum is σ = 5071645200. Its totient is φ = 676219344.

The previous prime is 2028658043. The next prime is 2028658061. The reversal of 2028658056 is 6508568202.

It is a junction number, because it is equal to n+sod(n) for n = 2028657999 and 2028658017.

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 3 ways as a sum of consecutive naturals, for example, 42263686 + ... + 42263733.

It is an arithmetic number, because the mean of its divisors is an integer number (316977825).

Almost surely, 2^2028658056 is an apocalyptic number.

It is an amenable number.

2028658056 is an abundant number, since it is smaller than the sum of its proper divisors (3042987144).

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

2028658056 is a wasteful number, since it uses less digits than its factorization.

2028658056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84527428 (or 84527424 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The square root of 2028658056 is about 45040.6267274335. The cubic root of 2028658056 is about 1265.9103480660.

The spelling of 2028658056 in words is "two billion, twenty-eight million, six hundred fifty-eight thousand, fifty-six".