540499995999 has 6 divisors (see below), whose sum is σ = 780722216456. Its totient is φ = 360333330660.

The previous prime is 540499995961. The next prime is 540499996061. The reversal of 540499995999 is 999599994045.

It is a happy number.

It is not a de Polignac number, because 540499995999 - 2⁹ = 540499995487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540499995949) 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, 30027777547 + ... + 30027777564.

Almost surely, 2^540499995999 is an apocalyptic number.

540499995999 is a deficient number, since it is larger than the sum of its proper divisors (240222220457).

540499995999 is a wasteful number, since it uses less digits than its factorization.

540499995999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60055555117 (or 60055555114 counting only the distinct ones).

The product of its (nonzero) digits is 1913187600, while the sum is 81.

The spelling of 540499995999 in words is "five hundred forty billion, four hundred ninety-nine million, nine hundred ninety-five thousand, nine hundred ninety-nine".