2056267842 has 8 divisors (see below), whose sum is σ = 4112535696. Its totient is φ = 685422612.

The previous prime is 2056267841. The next prime is 2056267901. The reversal of 2056267842 is 2487626502.

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

2056267842 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2056267794 and 2056267803.

It is not an unprimeable number, because it can be changed into a prime (2056267841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171355648 + ... + 171355659.

It is an arithmetic number, because the mean of its divisors is an integer number (514066962).

Almost surely, 2^2056267842 is an apocalyptic number.

2056267842 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.

2056267842 is a wasteful number, since it uses less digits than its factorization.

2056267842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342711312.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 2056267842 is about 45346.0895998762. The cubic root of 2056267842 is about 1271.6274508726.

The spelling of 2056267842 in words is "two billion, fifty-six million, two hundred sixty-seven thousand, eight hundred forty-two".