2040543412 has 12 divisors (see below), whose sum is σ = 3571269156. Its totient is φ = 1020180800.

The previous prime is 2040543409. The next prime is 2040543431. The reversal of 2040543412 is 2143450402.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 813162256 + 1227381156 = 28516^2 + 35034^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68178 + ... + 93430.

It is an arithmetic number, because the mean of its divisors is an integer number (297605763).

Almost surely, 2^2040543412 is an apocalyptic number.

It is an amenable number.

2040543412 is a deficient number, since it is larger than the sum of its proper divisors (1530725744).

2040543412 is a wasteful number, since it uses less digits than its factorization.

2040543412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45458 (or 45456 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2040543412 is about 45172.3744339392. The cubic root of 2040543412 is about 1268.3777439056.

Adding to 2040543412 its reverse (2143450402), we get a palindrome (4183993814).

The spelling of 2040543412 in words is "two billion, forty million, five hundred forty-three thousand, four hundred twelve".