540085228 has 24 divisors (see below), whose sum is σ = 956229120. Its totient is φ = 266894160.

The previous prime is 540085219. The next prime is 540085229. The reversal of 540085228 is 822580045.

It is a junction number, because it is equal to n+sod(n) for n = 540085193 and 540085202.

It is not an unprimeable number, because it can be changed into a prime (540085229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135853 + ... + 139771.

It is an arithmetic number, because the mean of its divisors is an integer number (39842880).

Almost surely, 2^540085228 is an apocalyptic number.

It is an amenable number.

540085228 is a deficient number, since it is larger than the sum of its proper divisors (416143892).

540085228 is a wasteful number, since it uses less digits than its factorization.

540085228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317 (or 4315 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 540085228 is about 23239.7338194739. The cubic root of 540085228 is about 814.3681242775.

The spelling of 540085228 in words is "five hundred forty million, eighty-five thousand, two hundred twenty-eight".