4540020225 has 72 divisors (see below), whose sum is σ = 8302004352. Its totient is φ = 2187244800.

The previous prime is 4540020211. The next prime is 4540020229. The reversal of 4540020225 is 5220200454.

It is a happy number.

It is not a de Polignac number, because 4540020225 - 2⁵ = 4540020193 is a prime.

It is a super-3 number, since 3×4540020225³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4540020195 and 4540020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4540020229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 591915 + ... + 599535.

It is an arithmetic number, because the mean of its divisors is an integer number (115305616).

Almost surely, 2^4540020225 is an apocalyptic number.

It is an amenable number.

4540020225 is a deficient number, since it is larger than the sum of its proper divisors (3761984127).

4540020225 is a wasteful number, since it uses less digits than its factorization.

4540020225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7707 (or 7689 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4540020225 is about 67379.6721942160. The cubic root of 4540020225 is about 1655.8434044525.

Adding to 4540020225 its reverse (5220200454), we get a palindrome (9760220679).

The spelling of 4540020225 in words is "four billion, five hundred forty million, twenty thousand, two hundred twenty-five".