540041504561 has 16 divisors (see below), whose sum is σ = 583557403968. Its totient is φ = 496808769600.

The previous prime is 540041504549. The next prime is 540041504671. The reversal of 540041504561 is 165405140045.

It is not a de Polignac number, because 540041504561 - 2²² = 540037310257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540041501561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12288950 + ... + 12332816.

It is an arithmetic number, because the mean of its divisors is an integer number (36472337748).

Almost surely, 2^540041504561 is an apocalyptic number.

It is an amenable number.

540041504561 is a deficient number, since it is larger than the sum of its proper divisors (43515899407).

540041504561 is a wasteful number, since it uses less digits than its factorization.

540041504561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47072.

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 540041504561 in words is "five hundred forty billion, forty-one million, five hundred four thousand, five hundred sixty-one".