540081844485 has 16 divisors (see below), whose sum is σ = 884227020864. Its totient is φ = 281344960512.

The previous prime is 540081844481. The next prime is 540081844501. The reversal of 540081844485 is 584448180045.

It is not a de Polignac number, because 540081844485 - 2² = 540081844481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540081844481) 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 15 ways as a sum of consecutive naturals, for example, 418667452 + ... + 418668741.

It is an arithmetic number, because the mean of its divisors is an integer number (55264188804).

Almost surely, 2^540081844485 is an apocalyptic number.

It is an amenable number.

540081844485 is a deficient number, since it is larger than the sum of its proper divisors (344145176379).

540081844485 is a wasteful number, since it uses less digits than its factorization.

540081844485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837336244.

The product of its (nonzero) digits is 3276800, while the sum is 51.

The spelling of 540081844485 in words is "five hundred forty billion, eighty-one million, eight hundred forty-four thousand, four hundred eighty-five".