2043040 has 36 divisors (see below), whose sum is σ = 4869774. Its totient is φ = 809984.

The previous prime is 2043037. The next prime is 2043047. The reversal of 2043040 is 403402.

2043040 = T₂₂₀ + T₂₂₁ + ... + T₂₈₃.

It can be written as a sum of positive squares in 3 ways, for example, as 394384 + 1648656 = 628^2 + 1284^2 .

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 2043040.

It is not an unprimeable number, because it can be changed into a prime (2043047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18024 + ... + 18136.

2^2043040 is an apocalyptic number.

2043040 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 2043040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2434887).

2043040 is an abundant number, since it is smaller than the sum of its proper divisors (2826734).

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

2043040 is an equidigital number, since it uses as much as digits as its factorization.

2043040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2043040 is about 1429.3495023961. The cubic root of 2043040 is about 126.8894816314.

Adding to 2043040 its reverse (403402), we get a palindrome (2446442).

The spelling of 2043040 in words is "two million, forty-three thousand, forty".