449280485 has 4 divisors (see below), whose sum is σ = 539136588. Its totient is φ = 359424384.

The previous prime is 449280467. The next prime is 449280487. The reversal of 449280485 is 584082944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90973444 + 358307041 = 9538^2 + 18929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449280485 is a prime.

It is a super-3 number, since 3×449280485³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449280487) 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, 44928044 + ... + 44928053.

It is an arithmetic number, because the mean of its divisors is an integer number (134784147).

Almost surely, 2^449280485 is an apocalyptic number.

It is an amenable number.

449280485 is a deficient number, since it is larger than the sum of its proper divisors (89856103).

449280485 is an equidigital number, since it uses as much as digits as its factorization.

449280485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89856102.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 449280485 is about 21196.2375198996. The cubic root of 449280485 is about 765.9007914609.

The spelling of 449280485 in words is "four hundred forty-nine million, two hundred eighty thousand, four hundred eighty-five".