447504552 has 96 divisors (see below), whose sum is σ = 1326780000. Its totient is φ = 135135360.

The previous prime is 447504517. The next prime is 447504593. The reversal of 447504552 is 255405744.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 275599 + ... + 277217.

It is an arithmetic number, because the mean of its divisors is an integer number (13820625).

Almost surely, 2^447504552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447504552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663390000).

447504552 is an abundant number, since it is smaller than the sum of its proper divisors (879275448).

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

447504552 is a wasteful number, since it uses less digits than its factorization.

447504552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991 (or 1984 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 36.

The square root of 447504552 is about 21154.3033919815. The cubic root of 447504552 is about 764.8902982512.

The spelling of 447504552 in words is "four hundred forty-seven million, five hundred four thousand, five hundred fifty-two".