540244202005 has 4 divisors (see below), whose sum is σ = 648293042412. Its totient is φ = 432195361600.

The previous prime is 540244201969. The next prime is 540244202059. The reversal of 540244202005 is 500202442045.

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

It can be written as a sum of positive squares in 2 ways, for example, as 107851157649 + 432393044356 = 328407^2 + 657566^2 .

It is not a de Polignac number, because 540244202005 - 2⁹ = 540244201493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54024420196 + ... + 54024420205.

It is an arithmetic number, because the mean of its divisors is an integer number (162073260603).

Almost surely, 2^540244202005 is an apocalyptic number.

It is an amenable number.

540244202005 is a deficient number, since it is larger than the sum of its proper divisors (108048840407).

540244202005 is a wasteful number, since it uses less digits than its factorization.

540244202005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108048840406.

The product of its (nonzero) digits is 12800, while the sum is 28.

The spelling of 540244202005 in words is "five hundred forty billion, two hundred forty-four million, two hundred two thousand, five".