2043040000 has 135 divisors (see below), whose sum is σ = 5141489353. Its totient is φ = 809984000.

The previous prime is 2043039997. The next prime is 2043040007. The reversal of 2043040000 is 403402.

The square root of 2043040000 is 45200.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 7 ways, for example, as 1997017344 + 46022656 = 44688^2 + 6784^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043040007) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 18079944 + ... + 18080056.

Almost surely, 2^2043040000 is an apocalyptic number.

2043040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2043040000 is the 45200-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043040000

2043040000 is an abundant number, since it is smaller than the sum of its proper divisors (3098449353).

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

2043040000 is an frugal number, since it uses more digits than its factorization.

2043040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 120 counting only the distinct ones).

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

The cubic root of 2043040000 is about 1268.8948163139.

Adding to 2043040000 its reverse (403402), we get a palindrome (2043443402).

The spelling of 2043040000 in words is "two billion, forty-three million, forty thousand".