449730450 has 144 divisors (see below), whose sum is σ = 1324290240. Its totient is φ = 108743040.

The previous prime is 449730433. The next prime is 449730497. The reversal of 449730450 is 54037944.

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, 344499 + ... + 345801.

It is an arithmetic number, because the mean of its divisors is an integer number (9196460).

Almost surely, 2^449730450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449730450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662145120).

449730450 is an abundant number, since it is smaller than the sum of its proper divisors (874559790).

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

449730450 is a wasteful number, since it uses less digits than its factorization.

449730450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393 (or 1385 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 449730450 is about 21206.8491294676. The cubic root of 449730450 is about 766.1563953831.

The spelling of 449730450 in words is "four hundred forty-nine million, seven hundred thirty thousand, four hundred fifty".