2043040420 has 12 divisors (see below), whose sum is σ = 4290384924. Its totient is φ = 817216160.

The previous prime is 2043040411. The next prime is 2043040427. The reversal of 2043040420 is 240403402.

It can be written as a sum of positive squares in 2 ways, for example, as 597215844 + 1445824576 = 24438^2 + 38024^2 .

It is not an unprimeable number, because it can be changed into a prime (2043040427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51075991 + ... + 51076030.

It is an arithmetic number, because the mean of its divisors is an integer number (357532077).

Almost surely, 2^2043040420 is an apocalyptic number.

2043040420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2043040420 is an abundant number, since it is smaller than the sum of its proper divisors (2247344504).

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

2043040420 is a wasteful number, since it uses less digits than its factorization.

2043040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102152030 (or 102152028 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 2043040420 is about 45200.0046460175. The cubic root of 2043040420 is about 1268.8949032653.

Adding to 2043040420 its reverse (240403402), we get a palindrome (2283443822).

The spelling of 2043040420 in words is "two billion, forty-three million, forty thousand, four hundred twenty".