449550000 has 360 divisors, whose sum is σ = 1674861552. Its totient is φ = 116640000.

The previous prime is 449549981. The next prime is 449550011. The reversal of 449550000 is 55944.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12149982 + ... + 12150018.

Almost surely, 2^449550000 is an apocalyptic number.

449550000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837430776).

449550000 is an abundant number, since it is smaller than the sum of its proper divisors (1225311552).

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

449550000 is an frugal number, since it uses more digits than its factorization.

449550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 449550000 is about 21202.5941809015. The cubic root of 449550000 is about 766.0539107233.

The spelling of 449550000 in words is "four hundred forty-nine million, five hundred fifty thousand".