450723330 has 48 divisors (see below), whose sum is σ = 1174173624. Its totient is φ = 119957760.

The previous prime is 450723257. The next prime is 450723331. The reversal of 450723330 is 33327054.

It can be written as a sum of positive squares in 4 ways, for example, as 226532601 + 224190729 = 15051^2 + 14973^2 .

It is a super-4 number, since 4×450723330⁴ (a number of 36 digits) contains 4444 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 450723294 and 450723303.

It is not an unprimeable number, because it can be changed into a prime (450723331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44062 + ... + 53318.

Almost surely, 2^450723330 is an apocalyptic number.

450723330 is an abundant number, since it is smaller than the sum of its proper divisors (723450294).

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

450723330 is a wasteful number, since it uses less digits than its factorization.

450723330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9811 (or 9808 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 450723330 is about 21230.2456415370. The cubic root of 450723330 is about 766.7198011903.

The spelling of 450723330 in words is "four hundred fifty million, seven hundred twenty-three thousand, three hundred thirty".