449352870 has 32 divisors (see below), whose sum is σ = 1091446272. Its totient is φ = 118383072.

The previous prime is 449352851. The next prime is 449352877. The reversal of 449352870 is 78253944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449352877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87742 + ... + 92721.

It is an arithmetic number, because the mean of its divisors is an integer number (34107696).

Almost surely, 2^449352870 is an apocalyptic number.

449352870 is an abundant number, since it is smaller than the sum of its proper divisors (642093402).

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

449352870 is a wasteful number, since it uses less digits than its factorization.

449352870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180556.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 449352870 is about 21197.9449475651. The cubic root of 449352870 is about 765.9419214851.

The spelling of 449352870 in words is "four hundred forty-nine million, three hundred fifty-two thousand, eight hundred seventy".