540054450065 has 16 divisors (see below), whose sum is σ = 711084760848. Its totient is φ = 391284731136.

The previous prime is 540054450017. The next prime is 540054450077. The reversal of 540054450065 is 560054450045.

It can be written as a sum of positive squares in 8 ways, for example, as 135171669649 + 404882780416 = 367657^2 + 636304^2 .

It is not a de Polignac number, because 540054450065 - 2²⁴ = 540037672849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78378914 + ... + 78385803.

It is an arithmetic number, because the mean of its divisors is an integer number (44442797553).

Almost surely, 2^540054450065 is an apocalyptic number.

It is an amenable number.

540054450065 is a deficient number, since it is larger than the sum of its proper divisors (171030310783).

540054450065 is a wasteful number, since it uses less digits than its factorization.

540054450065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156764788.

The product of its (nonzero) digits is 240000, while the sum is 38.

The spelling of 540054450065 in words is "five hundred forty billion, fifty-four million, four hundred fifty thousand, sixty-five".