449272442 has 36 divisors (see below), whose sum is σ = 730132398. Its totient is φ = 207252000.

The previous prime is 449272427. The next prime is 449272469. The reversal of 449272442 is 244272944.

It can be written as a sum of positive squares in 3 ways, for example, as 443987041 + 5285401 = 21071^2 + 2299^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 449272396 and 449272405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4448192 + ... + 4448292.

Almost surely, 2^449272442 is an apocalyptic number.

449272442 is a deficient number, since it is larger than the sum of its proper divisors (280859956).

449272442 is a wasteful number, since it uses less digits than its factorization.

449272442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 183 counting only the distinct ones).

The product of its digits is 129024, while the sum is 38.

The square root of 449272442 is about 21196.0477919824. The cubic root of 449272442 is about 765.8962210592.

The spelling of 449272442 in words is "four hundred forty-nine million, two hundred seventy-two thousand, four hundred forty-two".