256082747008 has 128 divisors (see below), whose sum is σ = 576511344000. Its totient is φ = 112235827200.

The previous prime is 256082746993. The next prime is 256082747029. The reversal of 256082747008 is 800747280652.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33519253 + ... + 33526891.

It is an arithmetic number, because the mean of its divisors is an integer number (4503994875).

Almost surely, 2^256082747008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256082747008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288255672000).

256082747008 is an abundant number, since it is smaller than the sum of its proper divisors (320428596992).

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

256082747008 is a wasteful number, since it uses less digits than its factorization.

256082747008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8514 (or 8502 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The spelling of 256082747008 in words is "two hundred fifty-six billion, eighty-two million, seven hundred forty-seven thousand, eight".