447664120 has 16 divisors (see below), whose sum is σ = 1007244360. Its totient is φ = 179065632.

The previous prime is 447664109. The next prime is 447664123. The reversal of 447664120 is 21466744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447664123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5595762 + ... + 5595841.

Almost surely, 2^447664120 is an apocalyptic number.

447664120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447664120 is an abundant number, since it is smaller than the sum of its proper divisors (559580240).

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

447664120 is a wasteful number, since it uses less digits than its factorization.

447664120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11191614 (or 11191610 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 447664120 is about 21158.0745815870. The cubic root of 447664120 is about 764.9812005006.

The spelling of 447664120 in words is "four hundred forty-seven million, six hundred sixty-four thousand, one hundred twenty".