450562530 has 64 divisors (see below), whose sum is σ = 1208462976. Its totient is φ = 106560000.

The previous prime is 450562529. The next prime is 450562537. The reversal of 450562530 is 35265054.

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 (450562537) 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, 3121 + ... + 30180.

It is an arithmetic number, because the mean of its divisors is an integer number (18882234).

Almost surely, 2^450562530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450562530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604231488).

450562530 is an abundant number, since it is smaller than the sum of its proper divisors (757900446).

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

450562530 is a wasteful number, since it uses less digits than its factorization.

450562530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33363.

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

The square root of 450562530 is about 21226.4582537926. The cubic root of 450562530 is about 766.6286120578.

It can be divided in two parts, 45056 and 2530, that added together give a triangular number (47586 = T₃₀₈).

The spelling of 450562530 in words is "four hundred fifty million, five hundred sixty-two thousand, five hundred thirty".