450330540 has 96 divisors (see below), whose sum is σ = 1387169280. Its totient is φ = 109151680.

The previous prime is 450330499. The next prime is 450330541. The reversal of 450330540 is 45033054.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 450330540.

It is not an unprimeable number, because it can be changed into a prime (450330541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77041 + ... + 82679.

It is an arithmetic number, because the mean of its divisors is an integer number (14449680).

Almost surely, 2^450330540 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 450330540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (693584640).

450330540 is an abundant number, since it is smaller than the sum of its proper divisors (936838740).

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

450330540 is a wasteful number, since it uses less digits than its factorization.

450330540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5684 (or 5660 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 450330540 is about 21220.9929079673. The cubic root of 450330540 is about 766.4970130802.

Adding to 450330540 its reverse (45033054), we get a palindrome (495363594).

The spelling of 450330540 in words is "four hundred fifty million, three hundred thirty thousand, five hundred forty".