450505236 has 48 divisors (see below), whose sum is σ = 1122920064. Its totient is φ = 140077056.

The previous prime is 450505217. The next prime is 450505249. The reversal of 450505236 is 632505054.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13281 + ... + 32823.

It is an arithmetic number, because the mean of its divisors is an integer number (23394168).

Almost surely, 2^450505236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450505236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (561460032).

450505236 is an abundant number, since it is smaller than the sum of its proper divisors (672414828).

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

450505236 is a wasteful number, since it uses less digits than its factorization.

450505236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19680 (or 19678 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 450505236 is about 21225.1086216302. The cubic root of 450505236 is about 766.5961155831.

The spelling of 450505236 in words is "four hundred fifty million, five hundred five thousand, two hundred thirty-six".