449228026 has 48 divisors (see below), whose sum is σ = 793840824. Its totient is φ = 189775872.

The previous prime is 449228023. The next prime is 449228047. The reversal of 449228026 is 620822944.

It is a Cunningham number, because it is equal to 21195²+1.

It can be written as a sum of positive squares in 12 ways, for example, as 1 + 449228025 = 1^2 + 21195^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (449228023) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 211546 + ... + 213658.

Almost surely, 2^449228026 is an apocalyptic number.

449228026 is a deficient number, since it is larger than the sum of its proper divisors (344612798).

449228026 is a wasteful number, since it uses less digits than its factorization.

449228026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2195 (or 2182 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 449228026 is about 21195.0000235905. Note that the first 4 decimals coincide. The cubic root of 449228026 is about 765.8709808676.

The spelling of 449228026 in words is "four hundred forty-nine million, two hundred twenty-eight thousand, twenty-six".