540042044540345 has 16 divisors (see below), whose sum is σ = 648859635380880. Its totient is φ = 431494292275200.

The previous prime is 540042044540329. The next prime is 540042044540347. The reversal of 540042044540345 is 543045440240045.

It can be written as a sum of positive squares in 8 ways, for example, as 2349239794729 + 537692804745616 = 1532723^2 + 23188204^2 .

It is not a de Polignac number, because 540042044540345 - 2⁴ = 540042044540329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540042044540296 and 540042044540305.

It is not an unprimeable number, because it can be changed into a prime (540042044540347) 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, 31907321 + ... + 45805689.

It is an arithmetic number, because the mean of its divisors is an integer number (40553727211305).

Almost surely, 2^{540042044540345} is an apocalyptic number.

It is an amenable number.

540042044540345 is a deficient number, since it is larger than the sum of its proper divisors (108817590840535).

540042044540345 is a wasteful number, since it uses less digits than its factorization.

540042044540345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13908076.

The product of its (nonzero) digits is 3072000, while the sum is 44.

The spelling of 540042044540345 in words is "five hundred forty trillion, forty-two billion, forty-four million, five hundred forty thousand, three hundred forty-five".