4020344256 has 112 divisors (see below), whose sum is σ = 10952280864. Its totient is φ = 1300955136.

The previous prime is 4020344243. The next prime is 4020344267. The reversal of 4020344256 is 6524430204.

4020344256 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985036 + ... + 989108.

It is an arithmetic number, because the mean of its divisors is an integer number (97788222).

Almost surely, 2^4020344256 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 4020344256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5476140432).

4020344256 is an abundant number, since it is smaller than the sum of its proper divisors (6931936608).

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

4020344256 is a wasteful number, since it uses less digits than its factorization.

4020344256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238 (or 4228 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 4020344256 is about 63406.1846825686. The cubic root of 4020344256 is about 1590.0877100462.

The spelling of 4020344256 in words is "four billion, twenty million, three hundred forty-four thousand, two hundred fifty-six".