2018944368 has 120 divisors (see below), whose sum is σ = 6632064608. Its totient is φ = 561240576.

The previous prime is 2018944289. The next prime is 2018944387. The reversal of 2018944368 is 8634498102.

It is a happy number.

2018944368 is a `hidden beast` number, since 20 + 189 + 443 + 6 + 8 = 666.

It is a super-2 number, since 2×2018944368² = 8152272722157838848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10230 + ... + 64362.

Almost surely, 2^2018944368 is an apocalyptic number.

2018944368 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2018944368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3316032304).

2018944368 is an abundant number, since it is smaller than the sum of its proper divisors (4613120240).

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

2018944368 is a wasteful number, since it uses less digits than its factorization.

2018944368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54191 (or 54182 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 2018944368 is about 44932.6648219310. The cubic root of 2018944368 is about 1263.8866232496.

The spelling of 2018944368 in words is "two billion, eighteen million, nine hundred forty-four thousand, three hundred sixty-eight".