447760520 has 16 divisors (see below), whose sum is σ = 1007461260. Its totient is φ = 179104192.

The previous prime is 447760429. The next prime is 447760529. The reversal of 447760520 is 25067744.

It can be written as a sum of positive squares in 2 ways, for example, as 392911684 + 54848836 = 19822^2 + 7406^2 .

It is not an unprimeable number, because it can be changed into a prime (447760529) 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, 5596967 + ... + 5597046.

Almost surely, 2^447760520 is an apocalyptic number.

447760520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447760520 is an abundant number, since it is smaller than the sum of its proper divisors (559700740).

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

447760520 is a wasteful number, since it uses less digits than its factorization.

447760520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11194024 (or 11194020 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 447760520 is about 21160.3525490479. The cubic root of 447760520 is about 765.0361069150.

The spelling of 447760520 in words is "four hundred forty-seven million, seven hundred sixty thousand, five hundred twenty".