256356546346 has 8 divisors (see below), whose sum is σ = 389402349120. Its totient is φ = 126555763308.

The previous prime is 256356546323. The next prime is 256356546367. The reversal of 256356546346 is 643645653652.

256356546346 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 811254736 + ... + 811255051.

It is an arithmetic number, because the mean of its divisors is an integer number (48675293640).

Almost surely, 2^256356546346 is an apocalyptic number.

256356546346 is a deficient number, since it is larger than the sum of its proper divisors (133045802774).

256356546346 is a wasteful number, since it uses less digits than its factorization.

256356546346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1622509868.

The product of its digits is 46656000, while the sum is 55.

The spelling of 256356546346 in words is "two hundred fifty-six billion, three hundred fifty-six million, five hundred forty-six thousand, three hundred forty-six".