449448126 has 32 divisors (see below), whose sum is σ = 921212160. Its totient is φ = 146107584.

The previous prime is 449448107. The next prime is 449448157. The reversal of 449448126 is 621844944.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290511 + ... + 292053.

It is an arithmetic number, because the mean of its divisors is an integer number (28787880).

Almost surely, 2^449448126 is an apocalyptic number.

449448126 is an abundant number, since it is smaller than the sum of its proper divisors (471764034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449448126 is a wasteful number, since it uses less digits than its factorization.

449448126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720.

The product of its digits is 221184, while the sum is 42.

The square root of 449448126 is about 21200.1916500771. The cubic root of 449448126 is about 765.9960403552.

The spelling of 449448126 in words is "four hundred forty-nine million, four hundred forty-eight thousand, one hundred twenty-six".