256450202316 has 144 divisors (see below), whose sum is σ = 812269785600. Its totient is φ = 66275573760.

The previous prime is 256450202293. The next prime is 256450202381. The reversal of 256450202316 is 613202054652.

256450202316 is a `hidden beast` number, since 2 + 5 + 645 + 0 + 2 + 0 + 2 + 3 + 1 + 6 = 666.

256450202316 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 319180 + ... + 784076.

It is an arithmetic number, because the mean of its divisors is an integer number (5640762400).

Almost surely, 2^256450202316 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 256450202316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406134892800).

256450202316 is an abundant number, since it is smaller than the sum of its proper divisors (555819583284).

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

256450202316 is a wasteful number, since it uses less digits than its factorization.

256450202316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465124 (or 465119 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 256450202316 its reverse (613202054652), we get a palindrome (869652256968).

The spelling of 256450202316 in words is "two hundred fifty-six billion, four hundred fifty million, two hundred two thousand, three hundred sixteen".