450507630 has 32 divisors (see below), whose sum is σ = 1085086368. Its totient is φ = 119705600.

The previous prime is 450507623. The next prime is 450507637. The reversal of 450507630 is 36705054.

It is an interprime number because it is at equal distance from previous prime (450507623) and next prime (450507637).

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

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450507637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18291 + ... + 35150.

It is an arithmetic number, because the mean of its divisors is an integer number (33908949).

Almost surely, 2^450507630 is an apocalyptic number.

450507630 is an abundant number, since it is smaller than the sum of its proper divisors (634578738).

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

450507630 is a wasteful number, since it uses less digits than its factorization.

450507630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53732.

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 450507630 is about 21225.1650170264. The cubic root of 450507630 is about 766.5974734865.

The spelling of 450507630 in words is "four hundred fifty million, five hundred seven thousand, six hundred thirty".