452444544 has 144 divisors (see below), whose sum is σ = 1351286820. Its totient is φ = 145302528.

The previous prime is 452444543. The next prime is 452444561. The reversal of 452444544 is 445444254.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 452444499 and 452444508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452444543) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 968599 + ... + 969065.

Almost surely, 2^452444544 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 452444544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675643410).

452444544 is an abundant number, since it is smaller than the sum of its proper divisors (898842276).

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

452444544 is a wasteful number, since it uses less digits than its factorization.

452444544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 501 counting only the distinct ones).

The product of its digits is 204800, while the sum is 36.

The square root of 452444544 is about 21270.7438515911. The cubic root of 452444544 is about 767.6945399825.

Adding to 452444544 its reverse (445444254), we get a palindrome (897888798).

The spelling of 452444544 in words is "four hundred fifty-two million, four hundred forty-four thousand, five hundred forty-four".