4530040020 has 144 divisors (see below), whose sum is σ = 15545694528. Its totient is φ = 1098178560.

The previous prime is 4530040007. The next prime is 4530040027. The reversal of 4530040020 is 200400354.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 4530039975 and 4530040002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4530040027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11092 + ... + 95828.

It is an arithmetic number, because the mean of its divisors is an integer number (107956212).

Almost surely, 2^4530040020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4530040020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7772847264).

4530040020 is an abundant number, since it is smaller than the sum of its proper divisors (11015654508).

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

4530040020 is a wasteful number, since it uses less digits than its factorization.

4530040020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84772 (or 84758 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 4530040020 is about 67305.5719833061. The cubic root of 4530040020 is about 1654.6291822010.

Adding to 4530040020 its reverse (200400354), we get a palindrome (4730440374).

The spelling of 4530040020 in words is "four billion, five hundred thirty million, forty thousand, twenty".