256552461064 has 32 divisors (see below), whose sum is σ = 486521186400. Its totient is φ = 126818366080.

The previous prime is 256552461019. The next prime is 256552461073. The reversal of 256552461064 is 460164255652.

256552461064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115092 + ... + 725500.

It is an arithmetic number, because the mean of its divisors is an integer number (15203787075).

Almost surely, 2^256552461064 is an apocalyptic number.

It is an amenable number.

256552461064 is a deficient number, since it is larger than the sum of its proper divisors (229968725336).

256552461064 is a wasteful number, since it uses less digits than its factorization.

256552461064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611013 (or 611009 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 256552461064 in words is "two hundred fifty-six billion, five hundred fifty-two million, four hundred sixty-one thousand, sixty-four".