540546645044 has 12 divisors (see below), whose sum is σ = 1081093290144. Its totient is φ = 231662847864.

The previous prime is 540546645043. The next prime is 540546645049. The reversal of 540546645044 is 440546645045.

540546645044 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 540546645044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540546645043) by changing a digit.

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, 9652618634 + ... + 9652618689.

It is an arithmetic number, because the mean of its divisors is an integer number (90091107512).

Almost surely, 2^540546645044 is an apocalyptic number.

It is an amenable number.

540546645044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

540546645044 is a wasteful number, since it uses less digits than its factorization.

540546645044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19305237334 (or 19305237332 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 47.

Subtracting from 540546645044 its reverse (440546645045), we obtain a palindrome (99999999999).

The spelling of 540546645044 in words is "five hundred forty billion, five hundred forty-six million, six hundred forty-five thousand, forty-four".