540531204852 has 12 divisors (see below), whose sum is σ = 1261239478016. Its totient is φ = 180177068280.

The previous prime is 540531204823. The next prime is 540531204971. The reversal of 540531204852 is 258402135045.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 540531204852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22522133524 + ... + 22522133547.

Almost surely, 2^540531204852 is an apocalyptic number.

It is an amenable number.

540531204852 is an abundant number, since it is smaller than the sum of its proper divisors (720708273164).

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

540531204852 is a wasteful number, since it uses less digits than its factorization.

540531204852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45044267078 (or 45044267076 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 540531204852 its reverse (258402135045), we get a palindrome (798933339897).

The spelling of 540531204852 in words is "five hundred forty billion, five hundred thirty-one million, two hundred four thousand, eight hundred fifty-two".