8256881401230 has 256 divisors, whose sum is σ = 25679776260096. Its totient is φ = 1649230917120.

The previous prime is 8256881401217. The next prime is 8256881401231. The reversal of 8256881401230 is 321041886528.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8256881401230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8256881401231) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6512049 + ... + 7675971.

It is an arithmetic number, because the mean of its divisors is an integer number (100311626016).

Almost surely, 2^{8256881401230} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8256881401230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12839888130048).

8256881401230 is an abundant number, since it is smaller than the sum of its proper divisors (17422894858866).

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

8256881401230 is a wasteful number, since it uses less digits than its factorization.

8256881401230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1164071.

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 8256881401230 in words is "eight trillion, two hundred fifty-six billion, eight hundred eighty-one million, four hundred one thousand, two hundred thirty".