440004212 has 6 divisors (see below), whose sum is σ = 770007378. Its totient is φ = 220002104.

The previous prime is 440004203. The next prime is 440004247. The reversal of 440004212 is 212400044.

It can be written as a sum of positive squares in only one way, i.e., 294946276 + 145057936 = 17174^2 + 12044^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 55000523 + ... + 55000530.

It is an arithmetic number, because the mean of its divisors is an integer number (128334563).

Almost surely, 2^440004212 is an apocalyptic number.

It is an amenable number.

440004212 is a deficient number, since it is larger than the sum of its proper divisors (330003166).

440004212 is a wasteful number, since it uses less digits than its factorization.

440004212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110001057 (or 110001055 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 440004212 is about 20976.2773627734. The cubic root of 440004212 is about 760.5929191196.

Adding to 440004212 its reverse (212400044), we get a palindrome (652404256).

The spelling of 440004212 in words is "four hundred forty million, four thousand, two hundred twelve".