447644016 has 40 divisors (see below), whose sum is σ = 1284905360. Its totient is φ = 149214528.

The previous prime is 447644011. The next prime is 447644053. The reversal of 447644016 is 610446744.

447644016 is a `hidden beast` number, since 4 + 4 + 7 + 644 + 0 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447644011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 517675 + ... + 518538.

It is an arithmetic number, because the mean of its divisors is an integer number (32122634).

Almost surely, 2^447644016 is an apocalyptic number.

It is an amenable number.

447644016 is an abundant number, since it is smaller than the sum of its proper divisors (837261344).

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

447644016 is a wasteful number, since it uses less digits than its factorization.

447644016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036230 (or 1036218 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 447644016 is about 21157.5994857640. The cubic root of 447644016 is about 764.9697488999.

The spelling of 447644016 in words is "four hundred forty-seven million, six hundred forty-four thousand, sixteen".