447522320 has 40 divisors (see below), whose sum is σ = 1189132224. Its totient is φ = 153436032.

The previous prime is 447522253. The next prime is 447522323. The reversal of 447522320 is 23225744.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (447522323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399014 + ... + 400133.

Almost surely, 2^447522320 is an apocalyptic number.

447522320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447522320 is an abundant number, since it is smaller than the sum of its proper divisors (741609904).

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

447522320 is a wasteful number, since it uses less digits than its factorization.

447522320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799167 (or 799161 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 447522320 is about 21154.7233496446. The cubic root of 447522320 is about 764.9004213445.

The spelling of 447522320 in words is "four hundred forty-seven million, five hundred twenty-two thousand, three hundred twenty".