540828198 has 32 divisors (see below), whose sum is σ = 1265097600. Its totient is φ = 170787528.

The previous prime is 540828193. The next prime is 540828209. The reversal of 540828198 is 891828045.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540828193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262536 + ... + 264587.

It is an arithmetic number, because the mean of its divisors is an integer number (39534300).

Almost surely, 2^540828198 is an apocalyptic number.

540828198 is an abundant number, since it is smaller than the sum of its proper divisors (724269402).

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

540828198 is a wasteful number, since it uses less digits than its factorization.

540828198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527153 (or 527147 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 540828198 is about 23255.7132335261. The cubic root of 540828198 is about 814.7413825578.

The spelling of 540828198 in words is "five hundred forty million, eight hundred twenty-eight thousand, one hundred ninety-eight".