449858518 has 16 divisors (see below), whose sum is σ = 720504576. Its totient is φ = 210145320.

The previous prime is 449858509. The next prime is 449858531. The reversal of 449858518 is 815858944.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111738 + ... + 115693.

It is an arithmetic number, because the mean of its divisors is an integer number (45031536).

Almost surely, 2^449858518 is an apocalyptic number.

449858518 is a deficient number, since it is larger than the sum of its proper divisors (270646058).

449858518 is a wasteful number, since it uses less digits than its factorization.

449858518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227499.

The product of its digits is 1843200, while the sum is 52.

The square root of 449858518 is about 21209.8684107186. The cubic root of 449858518 is about 766.2291136116.

The spelling of 449858518 in words is "four hundred forty-nine million, eight hundred fifty-eight thousand, five hundred eighteen".