5445273600 has 720 divisors, whose sum is σ = 21934572660. Its totient is φ = 1327104000.

The previous prime is 5445273571. The next prime is 5445273601. The reversal of 5445273600 is 63725445.

5445273600 is a `hidden beast` number, since 5 + 4 + 45 + 2 + 7 + 3 + 600 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 2482430976 + 2962842624 = 49824^2 + 54432^2 .

It is a tau number, because it is divible by the number of its divisors (720).

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

It is not an unprimeable number, because it can be changed into a prime (5445273601) 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 59 ways as a sum of consecutive naturals, for example, 53913550 + ... + 53913650.

Almost surely, 2^5445273600 is an apocalyptic number.

5445273600 is a gapful number since it is divisible by the number (50) 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 5445273600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10967286330).

5445273600 is an abundant number, since it is smaller than the sum of its proper divisors (16489299060).

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

5445273600 is a wasteful number, since it uses less digits than its factorization.

5445273600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 5445273600 is about 73792.0971378372. The cubic root of 5445273600 is about 1759.2999971076.

The spelling of 5445273600 in words is "five billion, four hundred forty-five million, two hundred seventy-three thousand, six hundred".