4456218472 has 8 divisors (see below), whose sum is σ = 8355409650. Its totient is φ = 2228109232.

The previous prime is 4456218461. The next prime is 4456218499. The reversal of 4456218472 is 2748126544.

It can be written as a sum of positive squares in only one way, i.e., 4234625476 + 221592996 = 65074^2 + 14886^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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, 278513647 + ... + 278513662.

Almost surely, 2^4456218472 is an apocalyptic number.

It is an amenable number.

4456218472 is a deficient number, since it is larger than the sum of its proper divisors (3899191178).

4456218472 is a wasteful number, since it uses less digits than its factorization.

4456218472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557027315 (or 557027311 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 4456218472 is about 66754.9134670999. The cubic root of 4456218472 is about 1645.5919651465.

The spelling of 4456218472 in words is "four billion, four hundred fifty-six million, two hundred eighteen thousand, four hundred seventy-two".