449320368 has 40 divisors (see below), whose sum is σ = 1326565888. Its totient is φ = 128377152.

The previous prime is 449320357. The next prime is 449320381. The reversal of 449320368 is 863023944.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668296 + ... + 668967.

Almost surely, 2^449320368 is an apocalyptic number.

449320368 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

449320368 is an abundant number, since it is smaller than the sum of its proper divisors (877245520).

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

449320368 is a wasteful number, since it uses less digits than its factorization.

449320368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337281 (or 1337275 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 449320368 is about 21197.1783027836. The cubic root of 449320368 is about 765.9234540058.

The spelling of 449320368 in words is "four hundred forty-nine million, three hundred twenty thousand, three hundred sixty-eight".