449030628 has 120 divisors (see below), whose sum is σ = 1214801280. Its totient is φ = 144555840.

The previous prime is 449030609. The next prime is 449030641. The reversal of 449030628 is 826030944.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 449030592 and 449030601.

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, 1356423 + ... + 1356753.

It is an arithmetic number, because the mean of its divisors is an integer number (10123344).

Almost surely, 2^449030628 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 449030628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607400640).

449030628 is an abundant number, since it is smaller than the sum of its proper divisors (765770652).

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

449030628 is a wasteful number, since it uses less digits than its factorization.

449030628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 449030628 is about 21190.3428004362. The cubic root of 449030628 is about 765.7587857681.

The spelling of 449030628 in words is "four hundred forty-nine million, thirty thousand, six hundred twenty-eight".