540043158243 has 16 divisors (see below), whose sum is σ = 722515391136. Its totient is φ = 358801497600.

The previous prime is 540043158233. The next prime is 540043158283. The reversal of 540043158243 is 342851340045.

It is not a de Polignac number, because 540043158243 - 2¹³ = 540043150051 is a prime.

It is a super-2 number, since 2×540043158243² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (540043158233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109521 + ... + 1520237.

It is an arithmetic number, because the mean of its divisors is an integer number (45157211946).

Almost surely, 2^540043158243 is an apocalyptic number.

540043158243 is a deficient number, since it is larger than the sum of its proper divisors (182472232893).

540043158243 is a wasteful number, since it uses less digits than its factorization.

540043158243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412214.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 540043158243 its reverse (342851340045), we get a palindrome (882894498288).

The spelling of 540043158243 in words is "five hundred forty billion, forty-three million, one hundred fifty-eight thousand, two hundred forty-three".