2040440212 has 24 divisors (see below), whose sum is σ = 3692165120. Its totient is φ = 985646880.

The previous prime is 2040440183. The next prime is 2040440219. The reversal of 2040440212 is 2120440402.

It is a self number, because there is not a number n which added to its sum of digits gives 2040440212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040440219) 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 7 ways as a sum of consecutive naturals, for example, 61714 + ... + 88822.

Almost surely, 2^2040440212 is an apocalyptic number.

It is an amenable number.

2040440212 is a deficient number, since it is larger than the sum of its proper divisors (1651724908).

2040440212 is a wasteful number, since it uses less digits than its factorization.

2040440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27751 (or 27749 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 2040440212 is about 45171.2321284244. The cubic root of 2040440212 is about 1268.3563609104.

Adding to 2040440212 its reverse (2120440402), we get a palindrome (4160880614).

The spelling of 2040440212 in words is "two billion, forty million, four hundred forty thousand, two hundred twelve".