450423030 has 32 divisors (see below), whose sum is σ = 1128017664. Its totient is φ = 114890336.

The previous prime is 450423011. The next prime is 450423047. The reversal of 450423030 is 30324054.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 450422988 and 450423006.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 325704 + ... + 327083.

It is an arithmetic number, because the mean of its divisors is an integer number (35250552).

Almost surely, 2^450423030 is an apocalyptic number.

450423030 is an abundant number, since it is smaller than the sum of its proper divisors (677594634).

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

450423030 is a wasteful number, since it uses less digits than its factorization.

450423030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652820.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 450423030 is about 21223.1720060881. The cubic root of 450423030 is about 766.5494845055.

Adding to 450423030 its reverse (30324054), we get a palindrome (480747084).

The spelling of 450423030 in words is "four hundred fifty million, four hundred twenty-three thousand, thirty".