447442442 has 8 divisors (see below), whose sum is σ = 682166532. Its totient is φ = 220053600.

The previous prime is 447442441. The next prime is 447442447. The reversal of 447442442 is 244244744.

It can be written as a sum of positive squares in 2 ways, for example, as 431434441 + 16008001 = 20771^2 + 4001^2 .

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

It is not an unprimeable number, because it can be changed into a prime (447442441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1833659 + ... + 1833902.

Almost surely, 2^447442442 is an apocalyptic number.

447442442 is a deficient number, since it is larger than the sum of its proper divisors (234724090).

447442442 is a wasteful number, since it uses less digits than its factorization.

447442442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667624.

The product of its digits is 114688, while the sum is 35.

The square root of 447442442 is about 21152.8353182263. The cubic root of 447442442 is about 764.8549097587.

The spelling of 447442442 in words is "four hundred forty-seven million, four hundred forty-two thousand, four hundred forty-two".