2043530440 has 32 divisors (see below), whose sum is σ = 5254793280. Its totient is φ = 700638912.

The previous prime is 2043530413. The next prime is 2043530477. The reversal of 2043530440 is 440353402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3648882 + ... + 3649441.

It is an arithmetic number, because the mean of its divisors is an integer number (164212290).

Almost surely, 2^2043530440 is an apocalyptic number.

2043530440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043530440 is an abundant number, since it is smaller than the sum of its proper divisors (3211262840).

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

2043530440 is a wasteful number, since it uses less digits than its factorization.

2043530440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7298341 (or 7298337 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 2043530440 is about 45205.4248956914. The cubic root of 2043530440 is about 1268.9963426315.

Adding to 2043530440 its reverse (440353402), we get a palindrome (2483883842).

The spelling of 2043530440 in words is "two billion, forty-three million, five hundred thirty thousand, four hundred forty".