540706277020257 has 6 divisors (see below), whose sum is σ = 781020177918162. Its totient is φ = 360470851346832.

The previous prime is 540706277020243. The next prime is 540706277020303. The reversal of 540706277020257 is 752020772607045.

It is a happy number.

540706277020257 is a `hidden beast` number, since 5 + 4 + 0 + 7 + 0 + 627 + 7 + 0 + 2 + 0 + 2 + 5 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 475766790302241 + 64939486718016 = 21812079^2 + 8058504^2 .

It is not a de Polignac number, because 540706277020257 - 2²⁰ = 540706275971681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540706277020057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30039237612228 + ... + 30039237612245.

It is an arithmetic number, because the mean of its divisors is an integer number (130170029653027).

Almost surely, 2^{540706277020257} is an apocalyptic number.

It is an amenable number.

540706277020257 is a deficient number, since it is larger than the sum of its proper divisors (240313900897905).

540706277020257 is a wasteful number, since it uses less digits than its factorization.

540706277020257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60078475224479 (or 60078475224476 counting only the distinct ones).

The product of its (nonzero) digits is 11524800, while the sum is 54.

The spelling of 540706277020257 in words is "five hundred forty trillion, seven hundred six billion, two hundred seventy-seven million, twenty thousand, two hundred fifty-seven".