2018240 has 112 divisors (see below), whose sum is σ = 5925312. Its totient is φ = 638976.

The previous prime is 2018183. The next prime is 2018249. The reversal of 2018240 is 428102.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a zygodrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2018249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38054 + ... + 38106.

2^2018240 is an apocalyptic number.

2018240 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 2018240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2962656).

2018240 is an abundant number, since it is smaller than the sum of its proper divisors (3907072).

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

2018240 is a wasteful number, since it uses less digits than its factorization.

2018240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2018240 is about 1420.6477395892. The cubic root of 2018240 is about 126.3739624839.

The spelling of 2018240 in words is "two million, eighteen thousand, two hundred forty".