449228915 has 4 divisors (see below), whose sum is σ = 539074704. Its totient is φ = 359383128.

The previous prime is 449228909. The next prime is 449228947. The reversal of 449228915 is 519822944.

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

It is a cyclic number.

It is not a de Polignac number, because 449228915 - 2⁶ = 449228851 is a prime.

It is a Duffinian number.

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, 44922887 + ... + 44922896.

It is an arithmetic number, because the mean of its divisors is an integer number (134768676).

Almost surely, 2^449228915 is an apocalyptic number.

449228915 is a deficient number, since it is larger than the sum of its proper divisors (89845789).

449228915 is an equidigital number, since it uses as much as digits as its factorization.

449228915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89845788.

The product of its digits is 207360, while the sum is 44.

The square root of 449228915 is about 21195.0209955074. The cubic root of 449228915 is about 765.8714860741.

The spelling of 449228915 in words is "four hundred forty-nine million, two hundred twenty-eight thousand, nine hundred fifteen".