447327189252 has 30 divisors (see below), whose sum is σ = 1169401634478. Its totient is φ = 149109062976.

The previous prime is 447327189229. The next prime is 447327189269. The reversal of 447327189252 is 252981723744.

447327189252 is a `hidden beast` number, since 4 + 47 + 3 + 271 + 89 + 252 = 666.

It can be written as a sum of positive squares in only one way, i.e., 338193423936 + 109133765316 = 581544^2 + 330354^2 .

It is a super-2 number, since 2×447327189252² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 690319413 + ... + 690320060.

Almost surely, 2^447327189252 is an apocalyptic number.

It is an amenable number.

447327189252 is an abundant number, since it is smaller than the sum of its proper divisors (722074445226).

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

447327189252 is a wasteful number, since it uses less digits than its factorization.

447327189252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380639489 (or 1380639478 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The spelling of 447327189252 in words is "four hundred forty-seven billion, three hundred twenty-seven million, one hundred eighty-nine thousand, two hundred fifty-two".