447132665647452 has 48 divisors (see below), whose sum is σ = 1088672562835200. Its totient is φ = 142563812464128.

The previous prime is 447132665647439. The next prime is 447132665647453. The reversal of 447132665647452 is 254746566231744.

It is a happy number.

It is a super-2 number, since 2×447132665647452² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447132665647453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308299663 + ... + 309746585.

It is an arithmetic number, because the mean of its divisors is an integer number (22680678392400).

Almost surely, 2^{447132665647452} is an apocalyptic number.

It is an amenable number.

447132665647452 is an abundant number, since it is smaller than the sum of its proper divisors (641539897187748).

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

447132665647452 is a wasteful number, since it uses less digits than its factorization.

447132665647452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566602 (or 2566600 counting only the distinct ones).

The product of its digits is 812851200, while the sum is 66.

The spelling of 447132665647452 in words is "four hundred forty-seven trillion, one hundred thirty-two billion, six hundred sixty-five million, six hundred forty-seven thousand, four hundred fifty-two".