449225028 has 120 divisors (see below), whose sum is σ = 1375148544. Its totient is φ = 125193600.

The previous prime is 449225003. The next prime is 449225033. The reversal of 449225028 is 820522944.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 449224983 and 449225001.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90573 + ... + 95403.

Almost surely, 2^449225028 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 449225028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (687574272).

449225028 is an abundant number, since it is smaller than the sum of its proper divisors (925923516).

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

449225028 is a wasteful number, since it uses less digits than its factorization.

449225028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4895 (or 4884 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 449225028 is about 21194.9292992451. The cubic root of 449225028 is about 765.8692771402.

The spelling of 449225028 in words is "four hundred forty-nine million, two hundred twenty-five thousand, twenty-eight".