447148480 has 28 divisors (see below), whose sum is σ = 1064773080. Its totient is φ = 178859264.

The previous prime is 447148469. The next prime is 447148487. The reversal of 447148480 is 84841744.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447148487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698350 + ... + 698989.

It is an arithmetic number, because the mean of its divisors is an integer number (38027610).

Almost surely, 2^447148480 is an apocalyptic number.

447148480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447148480 is an abundant number, since it is smaller than the sum of its proper divisors (617624600).

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

447148480 is a wasteful number, since it uses less digits than its factorization.

447148480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397356 (or 1397346 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The square root of 447148480 is about 21145.8856518236. The cubic root of 447148480 is about 764.6873742173.

The spelling of 447148480 in words is "four hundred forty-seven million, one hundred forty-eight thousand, four hundred eighty".