450520044 has 96 divisors (see below), whose sum is σ = 1188042240. Its totient is φ = 131839488.

The previous prime is 450520033. The next prime is 450520061. The reversal of 450520044 is 440025054.

It is a junction number, because it is equal to n+sod(n) for n = 450519996 and 450520023.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1101312 + ... + 1101720.

It is an arithmetic number, because the mean of its divisors is an integer number (12375440).

Almost surely, 2^450520044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450520044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594021120).

450520044 is an abundant number, since it is smaller than the sum of its proper divisors (737522196).

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

450520044 is a wasteful number, since it uses less digits than its factorization.

450520044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 450520044 is about 21225.4574509008. The cubic root of 450520044 is about 766.6045147684.

Adding to 450520044 its reverse (440025054), we get a palindrome (890545098).

The spelling of 450520044 in words is "four hundred fifty million, five hundred twenty thousand, forty-four".