540724255943 has 4 divisors (see below), whose sum is σ = 540733412208. Its totient is φ = 540715099680.

The previous prime is 540724255891. The next prime is 540724255949. The reversal of 540724255943 is 349552427045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540724255943 is a prime.

It is a super-3 number, since 3×540724255943³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540724255891 and 540724255900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540724255949) 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, 4488971 + ... + 4607852.

It is an arithmetic number, because the mean of its divisors is an integer number (135183353052).

Almost surely, 2^540724255943 is an apocalyptic number.

540724255943 is a deficient number, since it is larger than the sum of its proper divisors (9156265).

540724255943 is an equidigital number, since it uses as much as digits as its factorization.

540724255943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156264.

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 540724255943 in words is "five hundred forty billion, seven hundred twenty-four million, two hundred fifty-five thousand, nine hundred forty-three".