540300570216521 has 32 divisors (see below), whose sum is σ = 572090579934720. Its totient is φ = 508854993696000.

The previous prime is 540300570216469. The next prime is 540300570216577. The reversal of 540300570216521 is 125612075003045.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540300570216521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540300570216221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27663733526 + ... + 27663753056.

It is an arithmetic number, because the mean of its divisors is an integer number (17877830622960).

Almost surely, 2^{540300570216521} is an apocalyptic number.

It is an amenable number.

540300570216521 is a deficient number, since it is larger than the sum of its proper divisors (31790009718199).

540300570216521 is a wasteful number, since it uses less digits than its factorization.

540300570216521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32085.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 540300570216521 in words is "five hundred forty trillion, three hundred billion, five hundred seventy million, two hundred sixteen thousand, five hundred twenty-one".