449490228 has 48 divisors (see below), whose sum is σ = 1157042880. Its totient is φ = 134675200.

The previous prime is 449490221. The next prime is 449490233. The reversal of 449490228 is 822094944.

It is a self number, because there is not a number n which added to its sum of digits gives 449490228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449490221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7383 + ... + 30878.

It is an arithmetic number, because the mean of its divisors is an integer number (24105060).

Almost surely, 2^449490228 is an apocalyptic number.

It is an amenable number.

449490228 is an abundant number, since it is smaller than the sum of its proper divisors (707552652).

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

449490228 is a wasteful number, since it uses less digits than its factorization.

449490228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38368 (or 38366 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 449490228 is about 21201.1845895459. The cubic root of 449490228 is about 766.0199578045.

The spelling of 449490228 in words is "four hundred forty-nine million, four hundred ninety thousand, two hundred twenty-eight".