2040540126 has 8 divisors (see below), whose sum is σ = 4081080264. Its totient is φ = 680180040.

The previous prime is 2040540083. The next prime is 2040540127. The reversal of 2040540126 is 6210450402.

It is a sphenic number, since it is the product of 3 distinct primes.

2040540126 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2040540096 and 2040540105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040540127) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 170045005 + ... + 170045016.

It is an arithmetic number, because the mean of its divisors is an integer number (510135033).

Almost surely, 2^2040540126 is an apocalyptic number.

2040540126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2040540126 is a wasteful number, since it uses less digits than its factorization.

2040540126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340090026.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2040540126 is about 45172.3380621371. The cubic root of 2040540126 is about 1268.3770630589.

Adding to 2040540126 its reverse (6210450402), we get a palindrome (8250990528).

The spelling of 2040540126 in words is "two billion, forty million, five hundred forty thousand, one hundred twenty-six".