256044071346 has 64 divisors (see below), whose sum is σ = 595600459776. Its totient is φ = 71868182400.

The previous prime is 256044071333. The next prime is 256044071359. The reversal of 256044071346 is 643170440652.

It is a happy number.

256044071346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256044071333) and next prime (256044071359).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 256044071298 and 256044071307.

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 31 ways as a sum of consecutive naturals, for example, 685161 + ... + 990723.

It is an arithmetic number, because the mean of its divisors is an integer number (9306257184).

Almost surely, 2^256044071346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256044071346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297800229888).

256044071346 is an abundant number, since it is smaller than the sum of its proper divisors (339556388430).

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

256044071346 is a wasteful number, since it uses less digits than its factorization.

256044071346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305927.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 256044071346 in words is "two hundred fifty-six billion, forty-four million, seventy-one thousand, three hundred forty-six".