540043444354121 has 8 divisors (see below), whose sum is σ = 582955442182080. Its totient is φ = 498750767198992.

The previous prime is 540043444354079. The next prime is 540043444354123. The reversal of 540043444354121 is 121453444340045.

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

It is a cyclic number.

It is not a de Polignac number, because 540043444354121 - 2⁴⁶ = 469674700176457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540043444354123) 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, 404830167515 + ... + 404830168848.

It is an arithmetic number, because the mean of its divisors is an integer number (72869430272760).

Almost surely, 2^{540043444354121} is an apocalyptic number.

It is an amenable number.

540043444354121 is a deficient number, since it is larger than the sum of its proper divisors (42911997827959).

540043444354121 is a wasteful number, since it uses less digits than its factorization.

540043444354121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809660336415.

The product of its (nonzero) digits is 1843200, while the sum is 44.

Adding to 540043444354121 its reverse (121453444340045), we get a palindrome (661496888694166).

The spelling of 540043444354121 in words is "five hundred forty trillion, forty-three billion, four hundred forty-four million, three hundred fifty-four thousand, one hundred twenty-one".