450550830 has 32 divisors (see below), whose sum is σ = 1144930464. Its totient is φ = 113079296.

The previous prime is 450550829. The next prime is 450550831. The reversal of 450550830 is 38055054.

It is an interprime number because it is at equal distance from previous prime (450550829) and next prime (450550831).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450550831) 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, 441207 + ... + 442226.

It is an arithmetic number, because the mean of its divisors is an integer number (35779077).

Almost surely, 2^450550830 is an apocalyptic number.

450550830 is an abundant number, since it is smaller than the sum of its proper divisors (694379634).

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

450550830 is a wasteful number, since it uses less digits than its factorization.

450550830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883460.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 450550830 is about 21226.1826525638. The cubic root of 450550830 is about 766.6219761809.

The spelling of 450550830 in words is "four hundred fifty million, five hundred fifty thousand, eight hundred thirty".