4340040212 has 12 divisors (see below), whose sum is σ = 7624624980. Its totient is φ = 2161575936.

The previous prime is 4340040209. The next prime is 4340040227. The reversal of 4340040212 is 2120400434.

It can be written as a sum of positive squares in 2 ways, for example, as 4054632976 + 285407236 = 63676^2 + 16894^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2109887 + ... + 2111942.

It is an arithmetic number, because the mean of its divisors is an integer number (635385415).

Almost surely, 2^4340040212 is an apocalyptic number.

It is an amenable number.

4340040212 is a deficient number, since it is larger than the sum of its proper divisors (3284584768).

4340040212 is a wasteful number, since it uses less digits than its factorization.

4340040212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222090 (or 4222088 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4340040212 is about 65878.9815646842. The cubic root of 4340040212 is about 1631.1650887096.

Adding to 4340040212 its reverse (2120400434), we get a palindrome (6460440646).

The spelling of 4340040212 in words is "four billion, three hundred forty million, forty thousand, two hundred twelve".