540640807985328 has 80 divisors (see below), whose sum is σ = 1399977770688000. Its totient is φ = 179784961240320.

The previous prime is 540640807985297. The next prime is 540640807985347. The reversal of 540640807985328 is 823589708046045.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357126378 + ... + 358637046.

It is an arithmetic number, because the mean of its divisors is an integer number (17499722133600).

Almost surely, 2^{540640807985328} is an apocalyptic number.

It is an amenable number.

540640807985328 is an abundant number, since it is smaller than the sum of its proper divisors (859336962702672).

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

540640807985328 is a wasteful number, since it uses less digits than its factorization.

540640807985328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528410 (or 1528404 counting only the distinct ones).

The product of its (nonzero) digits is 464486400, while the sum is 69.

The spelling of 540640807985328 in words is "five hundred forty trillion, six hundred forty billion, eight hundred seven million, nine hundred eighty-five thousand, three hundred twenty-eight".