447120538 has 8 divisors (see below), whose sum is σ = 673636032. Its totient is φ = 222575196.

The previous prime is 447120523. The next prime is 447120551. The reversal of 447120538 is 835021744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491970 + ... + 492877.

It is an arithmetic number, because the mean of its divisors is an integer number (84204504).

Almost surely, 2^447120538 is an apocalyptic number.

447120538 is a deficient number, since it is larger than the sum of its proper divisors (226515494).

447120538 is a wasteful number, since it uses less digits than its factorization.

447120538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985076.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 447120538 is about 21145.2249455994. The cubic root of 447120538 is about 764.6714456234.

The spelling of 447120538 in words is "four hundred forty-seven million, one hundred twenty thousand, five hundred thirty-eight".