449458182272 has 72 divisors (see below), whose sum is σ = 984388199655. Its totient is φ = 204261249280.

The previous prime is 449458182247. The next prime is 449458182301. The reversal of 449458182272 is 272281854944.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 224729091136 + 224729091136 = 474056^2 + 474056^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=474056.

It is a super-2 number, since 2×449458182272² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 83431163 + ... + 83436549.

Almost surely, 2^449458182272 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 449458182272

449458182272 is an abundant number, since it is smaller than the sum of its proper divisors (534930017383).

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

449458182272 is an frugal number, since it uses more digits than its factorization.

449458182272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10810 (or 5400 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 56.

The spelling of 449458182272 in words is "four hundred forty-nine billion, four hundred fifty-eight million, one hundred eighty-two thousand, two hundred seventy-two".