447045920 has 48 divisors (see below), whose sum is σ = 1057650048. Its totient is φ = 178563840.

The previous prime is 447045899. The next prime is 447045943. The reversal of 447045920 is 29540744.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144227 + ... + 147293.

It is an arithmetic number, because the mean of its divisors is an integer number (22034376).

Almost surely, 2^447045920 is an apocalyptic number.

447045920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447045920 is an abundant number, since it is smaller than the sum of its proper divisors (610604128).

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

447045920 is a wasteful number, since it uses less digits than its factorization.

447045920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3993 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 447045920 is about 21143.4604547127. The cubic root of 447045920 is about 764.6289056940.

The spelling of 447045920 in words is "four hundred forty-seven million, forty-five thousand, nine hundred twenty".