2043030240 has 72 divisors (see below), whose sum is σ = 6971845608. Its totient is φ = 544807680.

The previous prime is 2043030211. The next prime is 2043030299. The reversal of 2043030240 is 420303402.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 707946 + ... + 710825.

It is an arithmetic number, because the mean of its divisors is an integer number (96831189).

Almost surely, 2^2043030240 is an apocalyptic number.

2043030240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043030240 is an abundant number, since it is smaller than the sum of its proper divisors (4928815368).

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

2043030240 is a wasteful number, since it uses less digits than its factorization.

2043030240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418792 (or 1418781 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 2043030240 is about 45199.8920352693. The cubic root of 2043030240 is about 1268.8927957247.

Adding to 2043030240 its reverse (420303402), we get a palindrome (2463333642).

The spelling of 2043030240 in words is "two billion, forty-three million, thirty thousand, two hundred forty".