449949320 has 32 divisors (see below), whose sum is σ = 1022224320. Its totient is φ = 178230720.

The previous prime is 449949307. The next prime is 449949323. The reversal of 449949320 is 23949944.

It is not an unprimeable number, because it can be changed into a prime (449949323) 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, 50486 + ... + 58725.

It is an arithmetic number, because the mean of its divisors is an integer number (31944510).

Almost surely, 2^449949320 is an apocalyptic number.

449949320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449949320 is an abundant number, since it is smaller than the sum of its proper divisors (572275000).

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

449949320 is a wasteful number, since it uses less digits than its factorization.

449949320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109325 (or 109321 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 449949320 is about 21212.0088629059. The cubic root of 449949320 is about 766.2806634898.

The spelling of 449949320 in words is "four hundred forty-nine million, nine hundred forty-nine thousand, three hundred twenty".