2018028240 has 120 divisors (see below), whose sum is σ = 6785575368. Its totient is φ = 537477120.

The previous prime is 2018028157. The next prime is 2018028269. The reversal of 2018028240 is 428208102.

It can be written as a sum of positive squares in 4 ways, for example, as 939299904 + 1078728336 = 30648^2 + 32844^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 932760 + ... + 934920.

Almost surely, 2^2018028240 is an apocalyptic number.

2018028240 is a gapful number since it is divisible by the number (20) 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 2018028240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3392787684).

2018028240 is an abundant number, since it is smaller than the sum of its proper divisors (4767547128).

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

2018028240 is a wasteful number, since it uses less digits than its factorization.

2018028240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3477 (or 3468 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 2018028240 is about 44922.4692108526. The cubic root of 2018028240 is about 1263.6954247991.

The spelling of 2018028240 in words is "two billion, eighteen million, twenty-eight thousand, two hundred forty".