540242444242045 has 4 divisors (see below), whose sum is σ = 648290933090460. Its totient is φ = 432193955393632.

The previous prime is 540242444242031. The next prime is 540242444242063.

540242444242045 is nontrivially palindromic in base 10.

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 396600613247556 + 143641830994489 = 19914834^2 + 11985067^2 .

It is a cyclic number.

It is not a de Polignac number, because 540242444242045 - 2²¹ = 540242442144893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540242444241986 and 540242444242004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54024244424200 + ... + 54024244424209.

It is an arithmetic number, because the mean of its divisors is an integer number (162072733272615).

Almost surely, 2^{540242444242045} is an apocalyptic number.

It is an amenable number.

540242444242045 is a deficient number, since it is larger than the sum of its proper divisors (108048488848415).

540242444242045 is a wasteful number, since it uses less digits than its factorization.

540242444242045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108048488848414.

The product of its (nonzero) digits is 6553600, while the sum is 46.

The spelling of 540242444242045 in words is "five hundred forty trillion, two hundred forty-two billion, four hundred forty-four million, two hundred forty-two thousand, forty-five".