540521251043045 has 8 divisors (see below), whose sum is σ = 648629389799424. Its totient is φ = 432414408469264.

The previous prime is 540521251043023. The next prime is 540521251043047. The reversal of 540521251043045 is 540340152125045.

It is a happy number.

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 540521251043045 - 2¹⁴ = 540521251026661 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 540521251042993 and 540521251043011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540521251043047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323127989 + ... + 324796458.

It is an arithmetic number, because the mean of its divisors is an integer number (81078673724928).

Almost surely, 2^{540521251043045} is an apocalyptic number.

It is an amenable number.

540521251043045 is a deficient number, since it is larger than the sum of its proper divisors (108108138756379).

540521251043045 is a wasteful number, since it uses less digits than its factorization.

540521251043045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648091299.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 540521251043045 in words is "five hundred forty trillion, five hundred twenty-one billion, two hundred fifty-one million, forty-three thousand, forty-five".