449411900 has 72 divisors (see below), whose sum is σ = 1119928320. Its totient is φ = 153339840.

The previous prime is 449411891. The next prime is 449411903. The reversal of 449411900 is 9114944.

It is a super-2 number, since 2×449411900² = 403942111723220000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449411903) 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, 154661 + ... + 157539.

It is an arithmetic number, because the mean of its divisors is an integer number (15554560).

Almost surely, 2^449411900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449411900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (559964160).

449411900 is an abundant number, since it is smaller than the sum of its proper divisors (670516420).

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

449411900 is a wasteful number, since it uses less digits than its factorization.

449411900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3123 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 449411900 is about 21199.3372537917. The cubic root of 449411900 is about 765.9754597687.

The spelling of 449411900 in words is "four hundred forty-nine million, four hundred eleven thousand, nine hundred".