450022320 has 120 divisors (see below), whose sum is σ = 1648747152. Its totient is φ = 109094400.

The previous prime is 450022271. The next prime is 450022337. The reversal of 450022320 is 23220054.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 450022293 and 450022302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20491 + ... + 36330.

Almost surely, 2^450022320 is an apocalyptic number.

450022320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

450022320 is an abundant number, since it is smaller than the sum of its proper divisors (1198724832).

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

450022320 is a wasteful number, since it uses less digits than its factorization.

450022320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56851 (or 56842 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 450022320 is about 21213.7295165183. The cubic root of 450022320 is about 766.3221018334.

Adding to 450022320 its reverse (23220054), we get a palindrome (473242374).

The spelling of 450022320 in words is "four hundred fifty million, twenty-two thousand, three hundred twenty".