4256818944 has 108 divisors (see below), whose sum is σ = 13179151944. Its totient is φ = 1216223232.

The previous prime is 4256818913. The next prime is 4256818981. The reversal of 4256818944 is 4498186524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18927 + ... + 94190.

Almost surely, 2^4256818944 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 4256818944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6589575972).

4256818944 is an abundant number, since it is smaller than the sum of its proper divisors (8922333000).

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

4256818944 is a wasteful number, since it uses less digits than its factorization.

4256818944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113150 (or 113129 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 51.

The square root of 4256818944 is about 65244.3020040831. The cubic root of 4256818944 is about 1620.6717409301.

The spelling of 4256818944 in words is "four billion, two hundred fifty-six million, eight hundred eighteen thousand, nine hundred forty-four".