4545540020 has 48 divisors (see below), whose sum is σ = 10982563200. Its totient is φ = 1548004224.

The previous prime is 4545540007. The next prime is 4545540023. The reversal of 4545540020 is 200455454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545540023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88094 + ... + 129813.

It is an arithmetic number, because the mean of its divisors is an integer number (228803400).

Almost surely, 2^4545540020 is an apocalyptic number.

It is an amenable number.

4545540020 is an abundant number, since it is smaller than the sum of its proper divisors (6437023180).

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

4545540020 is a wasteful number, since it uses less digits than its factorization.

4545540020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218072 (or 218070 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 4545540020 is about 67420.6201395389. The cubic root of 4545540020 is about 1656.5141954815.

Adding to 4545540020 its reverse (200455454), we get a palindrome (4745995474).

The spelling of 4545540020 in words is "four billion, five hundred forty-five million, five hundred forty thousand, twenty".