540204812 has 18 divisors (see below), whose sum is σ = 1099703052. Its totient is φ = 231516264.

The previous prime is 540204799. The next prime is 540204851. The reversal of 540204812 is 218402045.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1377878 + ... + 1378269.

It is an arithmetic number, because the mean of its divisors is an integer number (61094614).

Almost surely, 2^540204812 is an apocalyptic number.

It is an amenable number.

540204812 is an abundant number, since it is smaller than the sum of its proper divisors (559498240).

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

540204812 is a wasteful number, since it uses less digits than its factorization.

540204812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756165 (or 2756156 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 540204812 is about 23242.3065120482. The cubic root of 540204812 is about 814.4282247987.

Adding to 540204812 its reverse (218402045), we get a palindrome (758606857).

The spelling of 540204812 in words is "five hundred forty million, two hundred four thousand, eight hundred twelve".