449170028 has 24 divisors (see below), whose sum is σ = 800936640. Its totient is φ = 220371200.

The previous prime is 449170027. The next prime is 449170031. The reversal of 449170028 is 820071944.

It is a self number, because there is not a number n which added to its sum of digits gives 449170028.

It is not an unprimeable number, because it can be changed into a prime (449170027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40733 + ... + 50571.

It is an arithmetic number, because the mean of its divisors is an integer number (33372360).

Almost surely, 2^449170028 is an apocalyptic number.

It is an amenable number.

449170028 is a deficient number, since it is larger than the sum of its proper divisors (351766612).

449170028 is a wasteful number, since it uses less digits than its factorization.

449170028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10057 (or 10055 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 449170028 is about 21193.6317793813. The cubic root of 449170028 is about 765.8380199551.

The spelling of 449170028 in words is "four hundred forty-nine million, one hundred seventy thousand, twenty-eight".