540463720617 has 6 divisors (see below), whose sum is σ = 780669818682. Its totient is φ = 360309147072.

The previous prime is 540463720591. The next prime is 540463720637. The reversal of 540463720617 is 716027364045.

540463720617 is a `hidden beast` number, since 5 + 4 + 0 + 4 + 6 + 3 + 7 + 20 + 617 = 666.

It can be written as a sum of positive squares in only one way, i.e., 470786727321 + 69676993296 = 686139^2 + 263964^2 .

It is not a de Polignac number, because 540463720617 - 2⁸ = 540463720361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540463720637) 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, 30025762248 + ... + 30025762265.

It is an arithmetic number, because the mean of its divisors is an integer number (130111636447).

Almost surely, 2^540463720617 is an apocalyptic number.

It is an amenable number.

540463720617 is a deficient number, since it is larger than the sum of its proper divisors (240206098065).

540463720617 is a wasteful number, since it uses less digits than its factorization.

540463720617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60051524519 (or 60051524516 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 540463720617 in words is "five hundred forty billion, four hundred sixty-three million, seven hundred twenty thousand, six hundred seventeen".