540044055044 has 12 divisors (see below), whose sum is σ = 1017775334604. Its totient is φ = 249251102304.

The previous prime is 540044055043. The next prime is 540044055073. The reversal of 540044055044 is 440550440045.

It can be written as a sum of positive squares in 2 ways, for example, as 289753970944 + 250290084100 = 538288^2 + 500290^2 .

It is a junction number, because it is equal to n+sod(n) for n = 540044054995 and 540044055013.

It is not an unprimeable number, because it can be changed into a prime (540044055043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5192731247 + ... + 5192731350.

It is an arithmetic number, because the mean of its divisors is an integer number (84814611217).

Almost surely, 2^540044055044 is an apocalyptic number.

It is an amenable number.

540044055044 is a deficient number, since it is larger than the sum of its proper divisors (477731279560).

540044055044 is a wasteful number, since it uses less digits than its factorization.

540044055044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10385462614 (or 10385462612 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 540044055044 its reverse (440550440045), we get a palindrome (980594495089).

The spelling of 540044055044 in words is "five hundred forty billion, forty-four million, fifty-five thousand, forty-four".