450344544 has 48 divisors (see below), whose sum is σ = 1273092912. Its totient is φ = 138567168.

The previous prime is 450344527. The next prime is 450344549. The reversal of 450344544 is 445443054.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450344549) 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, 179179 + ... + 181674.

It is an arithmetic number, because the mean of its divisors is an integer number (26522769).

Almost surely, 2^450344544 is an apocalyptic number.

It is an amenable number.

450344544 is an abundant number, since it is smaller than the sum of its proper divisors (822748368).

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

450344544 is a wasteful number, since it uses less digits than its factorization.

450344544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360879 (or 360871 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 450344544 is about 21221.3228616880. The cubic root of 450344544 is about 766.5049582908.

Adding to 450344544 its reverse (445443054), we get a palindrome (895787598).

The spelling of 450344544 in words is "four hundred fifty million, three hundred forty-four thousand, five hundred forty-four".