4501045520 has 20 divisors (see below), whose sum is σ = 10464931020. Its totient is φ = 1800418176.

The previous prime is 4501045499. The next prime is 4501045529. The reversal of 4501045520 is 255401054.

It can be written as a sum of positive squares in 2 ways, for example, as 484528144 + 4016517376 = 22012^2 + 63376^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×4501045520² = 40518821546224140800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4501045520.

It is not an unprimeable number, because it can be changed into a prime (4501045529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28131455 + ... + 28131614.

It is an arithmetic number, because the mean of its divisors is an integer number (523246551).

Almost surely, 2^4501045520 is an apocalyptic number.

4501045520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4501045520 is an abundant number, since it is smaller than the sum of its proper divisors (5963885500).

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

4501045520 is a wasteful number, since it uses less digits than its factorization.

4501045520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56263082 (or 56263076 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 4501045520 is about 67089.8317183759. The cubic root of 4501045520 is about 1651.0914749529.

Adding to 4501045520 its reverse (255401054), we get a palindrome (4756446574).

The spelling of 4501045520 in words is "four billion, five hundred one million, forty-five thousand, five hundred twenty".