447521517216 has 96 divisors (see below), whose sum is σ = 1373969620800. Its totient is φ = 141322579200.

The previous prime is 447521517203. The next prime is 447521517241. The reversal of 447521517216 is 612715125744.

447521517216 is a `hidden beast` number, since 4 + 4 + 7 + 521 + 51 + 72 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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 in 15 ways as a sum of consecutive naturals, for example, 13614235 + ... + 13647066.

It is an arithmetic number, because the mean of its divisors is an integer number (14312183550).

Almost surely, 2^447521517216 is an apocalyptic number.

It is an amenable number.

447521517216 is an abundant number, since it is smaller than the sum of its proper divisors (926448103584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

447521517216 is a wasteful number, since it uses less digits than its factorization.

447521517216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27261339 (or 27261325 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The spelling of 447521517216 in words is "four hundred forty-seven billion, five hundred twenty-one million, five hundred seventeen thousand, two hundred sixteen".