447579458532 has 144 divisors (see below), whose sum is σ = 1164741596928. Its totient is φ = 144856857600.

The previous prime is 447579458527. The next prime is 447579458537. The reversal of 447579458532 is 235854975744.

It is a happy number.

447579458532 is a `hidden beast` number, since 4 + 4 + 7 + 5 + 7 + 94 + 5 + 8 + 532 = 666.

It is an interprime number because it is at equal distance from previous prime (447579458527) and next prime (447579458537).

It is a self number, because there is not a number n which added to its sum of digits gives 447579458532.

It is not an unprimeable number, because it can be changed into a prime (447579458537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190377157 + ... + 190379507.

It is an arithmetic number, because the mean of its divisors is an integer number (8088483312).

Almost surely, 2^447579458532 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 447579458532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582370798464).

447579458532 is an abundant number, since it is smaller than the sum of its proper divisors (717162138396).

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

447579458532 is a wasteful number, since it uses less digits than its factorization.

447579458532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410 (or 3405 counting only the distinct ones).

The product of its digits is 169344000, while the sum is 63.

The spelling of 447579458532 in words is "four hundred forty-seven billion, five hundred seventy-nine million, four hundred fifty-eight thousand, five hundred thirty-two".