540390120517 has 8 divisors (see below), whose sum is σ = 581964397056. Its totient is φ = 498816673392.

The previous prime is 540390120511. The next prime is 540390120539. The reversal of 540390120517 is 715021093045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540390120517 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 (540390120511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2082348 + ... + 2327434.

It is an arithmetic number, because the mean of its divisors is an integer number (72745549632).

Almost surely, 2^540390120517 is an apocalyptic number.

It is an amenable number.

540390120517 is a deficient number, since it is larger than the sum of its proper divisors (41574276539).

540390120517 is a wasteful number, since it uses less digits than its factorization.

540390120517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414707.

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 540390120517 in words is "five hundred forty billion, three hundred ninety million, one hundred twenty thousand, five hundred seventeen".