256112226304 has 104 divisors (see below), whose sum is σ = 559226436480. Its totient is φ = 116309606400.

The previous prime is 256112226277. The next prime is 256112226323. The reversal of 256112226304 is 403622211652.

It is a self number, because there is not a number n which added to its sum of digits gives 256112226304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72943909 + ... + 72947419.

Almost surely, 2^256112226304 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 256112226304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279613218240).

256112226304 is an abundant number, since it is smaller than the sum of its proper divisors (303114210176).

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

256112226304 is a wasteful number, since it uses less digits than its factorization.

256112226304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165 (or 5143 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 256112226304 its reverse (403622211652), we get a palindrome (659734437956).

The spelling of 256112226304 in words is "two hundred fifty-six billion, one hundred twelve million, two hundred twenty-six thousand, three hundred four".