2018118256 has 160 divisors (see below), whose sum is σ = 5167669248. Its totient is φ = 740171520.

The previous prime is 2018118251. The next prime is 2018118257. The reversal of 2018118256 is 6528118102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018118251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1897981 + ... + 1899043.

Almost surely, 2^2018118256 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 2018118256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583834624).

2018118256 is an abundant number, since it is smaller than the sum of its proper divisors (3149550992).

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

2018118256 is a wasteful number, since it uses less digits than its factorization.

2018118256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1173 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 34.

The square root of 2018118256 is about 44923.4711036447. The cubic root of 2018118256 is about 1263.7142139508.

The spelling of 2018118256 in words is "two billion, eighteen million, one hundred eighteen thousand, two hundred fifty-six".