540821109704 has 16 divisors (see below), whose sum is σ = 1014118742220. Its totient is φ = 270389445120.

The previous prime is 540821109679. The next prime is 540821109761. The reversal of 540821109704 is 407901128045.

It can be written as a sum of positive squares in 2 ways, for example, as 531881407204 + 8939702500 = 729302^2 + 94550^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529569 + ... + 2735024.

Almost surely, 2^540821109704 is an apocalyptic number.

It is an amenable number.

540821109704 is a deficient number, since it is larger than the sum of its proper divisors (473297632516).

540821109704 is a wasteful number, since it uses less digits than its factorization.

540821109704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277440 (or 5277436 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 540821109704 in words is "five hundred forty billion, eight hundred twenty-one million, one hundred nine thousand, seven hundred four".