4040543212 has 6 divisors (see below), whose sum is σ = 7070950628. Its totient is φ = 2020271604.

The previous prime is 4040543207. The next prime is 4040543261. The reversal of 4040543212 is 2123450404.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505067898 + ... + 505067905.

Almost surely, 2^4040543212 is an apocalyptic number.

It is an amenable number.

4040543212 is a deficient number, since it is larger than the sum of its proper divisors (3030407416).

4040543212 is a wasteful number, since it uses less digits than its factorization.

4040543212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010135807 (or 1010135805 counting only the distinct ones).

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

The square root of 4040543212 is about 63565.2673399554. The cubic root of 4040543212 is about 1592.7462280044.

Adding to 4040543212 its reverse (2123450404), we get a palindrome (6163993616).

The spelling of 4040543212 in words is "four billion, forty million, five hundred forty-three thousand, two hundred twelve".