450502312530 has 32 divisors (see below), whose sum is σ = 1087455305664. Its totient is φ = 119439532736.

The previous prime is 450502312499. The next prime is 450502312537. The reversal of 450502312530 is 35213205054.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (450502312537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43395804 + ... + 43406183.

It is an arithmetic number, because the mean of its divisors is an integer number (33982978302).

Almost surely, 2^450502312530 is an apocalyptic number.

450502312530 is an abundant number, since it is smaller than the sum of its proper divisors (636952993134).

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

450502312530 is a wasteful number, since it uses less digits than its factorization.

450502312530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86802170.

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 450502312530 its reverse (35213205054), we get a palindrome (485715517584).

The spelling of 450502312530 in words is "four hundred fifty billion, five hundred two million, three hundred twelve thousand, five hundred thirty".