240540543 has 16 divisors (see below), whose sum is σ = 360870400. Its totient is φ = 158329080.

The previous prime is 240540541. The next prime is 240540577. The reversal of 240540543 is 345045042.

It is not a de Polignac number, because 240540543 - 2¹ = 240540541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240540541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54253 + ... + 58518.

It is an arithmetic number, because the mean of its divisors is an integer number (22554400).

Almost surely, 2^240540543 is an apocalyptic number.

240540543 is a deficient number, since it is larger than the sum of its proper divisors (120329857).

240540543 is a wasteful number, since it uses less digits than its factorization.

240540543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112859 (or 112853 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 240540543 is about 15509.3695229690. The cubic root of 240540543 is about 621.9127049115.

Adding to 240540543 its reverse (345045042), we get a palindrome (585585585).

The spelling of 240540543 in words is "two hundred forty million, five hundred forty thousand, five hundred forty-three".