256762805068 has 48 divisors (see below), whose sum is σ = 560254963968. Its totient is φ = 100029384000.

The previous prime is 256762805059. The next prime is 256762805071. The reversal of 256762805068 is 860508267652.

256762805068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5019903 + ... + 5070793.

It is an arithmetic number, because the mean of its divisors is an integer number (11671978416).

Almost surely, 2^256762805068 is an apocalyptic number.

256762805068 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

256762805068 is an abundant number, since it is smaller than the sum of its proper divisors (303492158900).

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

256762805068 is a wasteful number, since it uses less digits than its factorization.

256762805068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67294 (or 67292 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 256762805068 in words is "two hundred fifty-six billion, seven hundred sixty-two million, eight hundred five thousand, sixty-eight".