447156242 has 16 divisors (see below), whose sum is σ = 722760192. Its totient is φ = 206256720.

The previous prime is 447156239. The next prime is 447156247. The reversal of 447156242 is 242651744.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (447156247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50813 + ... + 58959.

It is an arithmetic number, because the mean of its divisors is an integer number (45172512).

Almost surely, 2^447156242 is an apocalyptic number.

447156242 is a deficient number, since it is larger than the sum of its proper divisors (275603950).

447156242 is a wasteful number, since it uses less digits than its factorization.

447156242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10273.

The product of its digits is 53760, while the sum is 35.

The square root of 447156242 is about 21146.0691855484. The cubic root of 447156242 is about 764.6917988990.

The spelling of 447156242 in words is "four hundred forty-seven million, one hundred fifty-six thousand, two hundred forty-two".