4218336256 has 44 divisors (see below), whose sum is σ = 8660537668. Its totient is φ = 2052145152.

The previous prime is 4218336251. The next prime is 4218336257. The reversal of 4218336256 is 6526338124.

4218336256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2828537856 + 1389798400 = 53184^2 + 37280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4218336251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17781 + ... + 93556.

Almost surely, 2^4218336256 is an apocalyptic number.

It is an amenable number.

4218336256 is an abundant number, since it is smaller than the sum of its proper divisors (4442201412).

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

4218336256 is a wasteful number, since it uses less digits than its factorization.

4218336256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111394 (or 111376 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 4218336256 is about 64948.7202029416. The cubic root of 4218336256 is about 1615.7731930162.

The spelling of 4218336256 in words is "four billion, two hundred eighteen million, three hundred thirty-six thousand, two hundred fifty-six".