2440404440212 has 24 divisors (see below), whose sum is σ = 4274314004520. Its totient is φ = 1219172106240.

The previous prime is 2440404440191. The next prime is 2440404440213. The reversal of 2440404440212 is 2120444040442.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 43369728516 + 2397034711696 = 208254^2 + 1548236^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440404440213) 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, 49239508 + ... + 49289044.

It is an arithmetic number, because the mean of its divisors is an integer number (178096416855).

Almost surely, 2^{2440404440212} is an apocalyptic number.

It is an amenable number.

2440404440212 is a deficient number, since it is larger than the sum of its proper divisors (1833909564308).

2440404440212 is a wasteful number, since it uses less digits than its factorization.

2440404440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59691 (or 59689 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 2440404440212 its reverse (2120444040442), we get a palindrome (4560848480654).

The spelling of 2440404440212 in words is "two trillion, four hundred forty billion, four hundred four million, four hundred forty thousand, two hundred twelve".