450272430 has 48 divisors (see below), whose sum is σ = 1179163440. Its totient is φ = 119205504.

The previous prime is 450272423. The next prime is 450272441. The reversal of 450272430 is 34272054.

It is a super-2 number, since 2×450272430² = 405490522436209800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 450272394 and 450272403.

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 23 ways as a sum of consecutive naturals, for example, 5487 + ... + 30506.

It is an arithmetic number, because the mean of its divisors is an integer number (24565905).

Almost surely, 2^450272430 is an apocalyptic number.

450272430 is an abundant number, since it is smaller than the sum of its proper divisors (728891010).

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

450272430 is a wasteful number, since it uses less digits than its factorization.

450272430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36145 (or 36142 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 450272430 is about 21219.6237007163. The cubic root of 450272430 is about 766.4640424409.

The spelling of 450272430 in words is "four hundred fifty million, two hundred seventy-two thousand, four hundred thirty".