440412134212 has 12 divisors (see below), whose sum is σ = 782224537360. Its totient is φ = 216919409256.

The previous prime is 440412134131. The next prime is 440412134221. The reversal of 440412134212 is 212431214044.

It is a super-2 number, since 2×440412134212² (a number of 24 digits) contains 22 as substring.

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, 821664162 + ... + 821664697.

Almost surely, 2^440412134212 is an apocalyptic number.

It is an amenable number.

440412134212 is a deficient number, since it is larger than the sum of its proper divisors (341812403148).

440412134212 is a wasteful number, since it uses less digits than its factorization.

440412134212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643328930 (or 1643328928 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 440412134212 its reverse (212431214044), we get a palindrome (652843348256).

The spelling of 440412134212 in words is "four hundred forty billion, four hundred twelve million, one hundred thirty-four thousand, two hundred twelve".