450722530 has 64 divisors (see below), whose sum is σ = 890600832. Its totient is φ = 163537920.

The previous prime is 450722509. The next prime is 450722543. The reversal of 450722530 is 35227054.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 823717 + ... + 824263.

It is an arithmetic number, because the mean of its divisors is an integer number (13915638).

Almost surely, 2^450722530 is an apocalyptic number.

450722530 is a deficient number, since it is larger than the sum of its proper divisors (439878302).

450722530 is a wasteful number, since it uses less digits than its factorization.

450722530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 450722530 is about 21230.2268004843. The cubic root of 450722530 is about 766.7193475667.

Adding to 450722530 its reverse (35227054), we get a palindrome (485949584).

The spelling of 450722530 in words is "four hundred fifty million, seven hundred twenty-two thousand, five hundred thirty".