4544000 has 80 divisors (see below), whose sum is σ = 11490336. Its totient is φ = 1792000.

The previous prime is 4543993. The next prime is 4544009. The reversal of 4544000 is 4454.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 4544000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4544009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63965 + ... + 64035.

Almost surely, 2^4544000 is an apocalyptic number.

4544000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745168).

4544000 is an abundant number, since it is smaller than the sum of its proper divisors (6946336).

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

4544000 is an frugal number, since it uses more digits than its factorization.

4544000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4544000 is about 2131.6660151159. Note that the first 3 decimals coincide. The cubic root of 4544000 is about 165.6327099769.

Adding to 4544000 its reverse (4454), we get a palindrome (4548454).

The spelling of 4544000 in words is "four million, five hundred forty-four thousand".