449322000 has 80 divisors (see below), whose sum is σ = 1448633472. Its totient is φ = 119817600.

The previous prime is 449321989. The next prime is 449322011. The reversal of 449322000 is 223944.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (449321989) and next prime (449322011).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31444 + ... + 43443.

Almost surely, 2^449322000 is an apocalyptic number.

449322000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

449322000 is an abundant number, since it is smaller than the sum of its proper divisors (999311472).

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

449322000 is a wasteful number, since it uses less digits than its factorization.

449322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74913 (or 74897 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 449322000 is about 21197.2167984384. The cubic root of 449322000 is about 765.9243813215.

Adding to 449322000 its reverse (223944), we get a palindrome (449545944).

The spelling of 449322000 in words is "four hundred forty-nine million, three hundred twenty-two thousand".