540626000009 has 4 divisors (see below), whose sum is σ = 540705733380. Its totient is φ = 540546266640.

The previous prime is 540625999993. The next prime is 540626000029. The reversal of 540626000009 is 900000626045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 259052496784 + 281573503225 = 508972^2 + 530635^2 .

It is a cyclic number.

It is not a de Polignac number, because 540626000009 - 2⁴ = 540625999993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540626000029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39856514 + ... + 39870075.

It is an arithmetic number, because the mean of its divisors is an integer number (135176433345).

Almost surely, 2^540626000009 is an apocalyptic number.

It is an amenable number.

540626000009 is a deficient number, since it is larger than the sum of its proper divisors (79733371).

540626000009 is an equidigital number, since it uses as much as digits as its factorization.

540626000009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79733370.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 540626000009 in words is "five hundred forty billion, six hundred twenty-six million, nine", and thus it is an aban number.