540666335035552 has 192 divisors, whose sum is σ = 1237847147712000. Its totient is φ = 229868869524480.

The previous prime is 540666335035517. The next prime is 540666335035553. The reversal of 540666335035552 is 255530533666045.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (540666335035553) 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, 859541703 + ... + 860170489.

It is an arithmetic number, because the mean of its divisors is an integer number (6447120561000).

Almost surely, 2^{540666335035552} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 540666335035552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618923573856000).

540666335035552 is an abundant number, since it is smaller than the sum of its proper divisors (697180812676448).

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

540666335035552 is a wasteful number, since it uses less digits than its factorization.

540666335035552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630459 (or 630451 counting only the distinct ones).

The product of its (nonzero) digits is 145800000, while the sum is 58.

The spelling of 540666335035552 in words is "five hundred forty trillion, six hundred sixty-six billion, three hundred thirty-five million, thirty-five thousand, five hundred fifty-two".