440421412 has 12 divisors (see below), whose sum is σ = 772255260. Its totient is φ = 219777056.

The previous prime is 440421383. The next prime is 440421439. The reversal of 440421412 is 214124044.

It can be written as a sum of positive squares in 2 ways, for example, as 359709156 + 80712256 = 18966^2 + 8984^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106123 + ... + 110194.

It is an arithmetic number, because the mean of its divisors is an integer number (64354605).

Almost surely, 2^440421412 is an apocalyptic number.

It is an amenable number.

440421412 is a deficient number, since it is larger than the sum of its proper divisors (331833848).

440421412 is a wasteful number, since it uses less digits than its factorization.

440421412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216830 (or 216828 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 440421412 is about 20986.2195738060. The cubic root of 440421412 is about 760.8332343400.

Adding to 440421412 its reverse (214124044), we get a palindrome (654545456).

It can be divided in two parts, 44042 and 1412, that added together give a palindrome (45454).

The spelling of 440421412 in words is "four hundred forty million, four hundred twenty-one thousand, four hundred twelve".