450120444 has 24 divisors (see below), whose sum is σ = 1056574848. Its totient is φ = 149141040.

The previous prime is 450120443. The next prime is 450120481. The reversal of 450120444 is 444021054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450120443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110302 + ... + 114309.

It is an arithmetic number, because the mean of its divisors is an integer number (44023952).

Almost surely, 2^450120444 is an apocalyptic number.

It is an amenable number.

450120444 is an abundant number, since it is smaller than the sum of its proper divisors (606454404).

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

450120444 is a wasteful number, since it uses less digits than its factorization.

450120444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224785 (or 224783 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 450120444 is about 21216.0421379672. The cubic root of 450120444 is about 766.3777947194.

Adding to 450120444 its reverse (444021054), we get a palindrome (894141498).

The spelling of 450120444 in words is "four hundred fifty million, one hundred twenty thousand, four hundred forty-four".