4500045720 has 160 divisors (see below), whose sum is σ = 15185538720. Its totient is φ = 1195223040.

The previous prime is 4500045689. The next prime is 4500045721. The reversal of 4500045720 is 275400054.

It is a super-3 number, since 3×4500045720³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500045721) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 849480 + ... + 854760.

It is an arithmetic number, because the mean of its divisors is an integer number (94909617).

Almost surely, 2^4500045720 is an apocalyptic number.

4500045720 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 4500045720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7592769360).

4500045720 is an abundant number, since it is smaller than the sum of its proper divisors (10685493000).

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

4500045720 is a wasteful number, since it uses less digits than its factorization.

4500045720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567 (or 5554 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4500045720 is about 67082.3801008879. The cubic root of 4500045720 is about 1650.9692156919.

Adding to 4500045720 its reverse (275400054), we get a palindrome (4775445774).

The spelling of 4500045720 in words is "four billion, five hundred million, forty-five thousand, seven hundred twenty".