450542064 has 120 divisors (see below), whose sum is σ = 1361579520. Its totient is φ = 127999872.

The previous prime is 450542063. The next prime is 450542077. The reversal of 450542064 is 460245054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450542063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 524067 + ... + 524925.

It is an arithmetic number, because the mean of its divisors is an integer number (11346496).

Almost surely, 2^450542064 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 450542064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680789760).

450542064 is an abundant number, since it is smaller than the sum of its proper divisors (911037456).

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

450542064 is a wasteful number, since it uses less digits than its factorization.

450542064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 450542064 is about 21225.9761612982. The cubic root of 450542064 is about 766.6170043025.

The spelling of 450542064 in words is "four hundred fifty million, five hundred forty-two thousand, sixty-four".