450474330 has 64 divisors (see below), whose sum is σ = 1181703168. Its totient is φ = 109409280.

The previous prime is 450474329. The next prime is 450474331. The reversal of 450474330 is 33474054.

It is an interprime number because it is at equal distance from previous prime (450474329) and next prime (450474331).

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 (450474331) 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, 1564 + ... + 30056.

It is an arithmetic number, because the mean of its divisors is an integer number (18464112).

Almost surely, 2^450474330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450474330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590851584).

450474330 is an abundant number, since it is smaller than the sum of its proper divisors (731228838).

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

450474330 is a wasteful number, since it uses less digits than its factorization.

450474330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28551.

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 450474330 is about 21224.3805563319. The cubic root of 450474330 is about 766.5785849238.

The spelling of 450474330 in words is "four hundred fifty million, four hundred seventy-four thousand, three hundred thirty".