447539242 has 8 divisors (see below), whose sum is σ = 671509476. Its totient is φ = 223702752.

The previous prime is 447539233. The next prime is 447539269. The reversal of 447539242 is 242935744.

It can be written as a sum of positive squares in 2 ways, for example, as 446434641 + 1104601 = 21129^2 + 1051^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 447539195 and 447539204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24603 + ... + 38734.

Almost surely, 2^447539242 is an apocalyptic number.

447539242 is a deficient number, since it is larger than the sum of its proper divisors (223970234).

447539242 is a wasteful number, since it uses less digits than its factorization.

447539242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66872.

The product of its digits is 241920, while the sum is 40.

The square root of 447539242 is about 21155.1233038241. The cubic root of 447539242 is about 764.9100621908.

The spelling of 447539242 in words is "four hundred forty-seven million, five hundred thirty-nine thousand, two hundred forty-two".