444216512 has 28 divisors (see below), whose sum is σ = 883173240. Its totient is φ = 221684736.

The previous prime is 444216497. The next prime is 444216547. The reversal of 444216512 is 215612444.

It is a super-2 number, since 2×444216512² = 394656619066892288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28664 + ... + 41352.

Almost surely, 2^444216512 is an apocalyptic number.

It is an amenable number.

444216512 is a deficient number, since it is larger than the sum of its proper divisors (438956728).

444216512 is a wasteful number, since it uses less digits than its factorization.

444216512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13248 (or 13238 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 444216512 is about 21076.4444819329. Note that the first 4 decimals coincide. The cubic root of 444216512 is about 763.0123473029.

Adding to 444216512 its reverse (215612444), we get a palindrome (659828956).

The spelling of 444216512 in words is "four hundred forty-four million, two hundred sixteen thousand, five hundred twelve".