540436442565 has 8 divisors (see below), whose sum is σ = 864698308128. Its totient is φ = 288232769360.

The previous prime is 540436442563. The next prime is 540436442569. The reversal of 540436442565 is 565244634045.

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

It is not a de Polignac number, because 540436442565 - 2¹ = 540436442563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540436442563) 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, 18014548071 + ... + 18014548100.

It is an arithmetic number, because the mean of its divisors is an integer number (108087288516).

Almost surely, 2^540436442565 is an apocalyptic number.

It is an amenable number.

540436442565 is a deficient number, since it is larger than the sum of its proper divisors (324261865563).

540436442565 is a wasteful number, since it uses less digits than its factorization.

540436442565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36029096179.

The product of its (nonzero) digits is 6912000, while the sum is 48.

The spelling of 540436442565 in words is "five hundred forty billion, four hundred thirty-six million, four hundred forty-two thousand, five hundred sixty-five".