540443015505044 has 12 divisors (see below), whose sum is σ = 945775484306100. Its totient is φ = 270221448560448.

The previous prime is 540443015505037. The next prime is 540443015505067. The reversal of 540443015505044 is 440505510344045.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 77400616208644 + 463042399296400 = 8797762^2 + 21518420^2 .

It is a junction number, because it is equal to n+sod(n) for n = 540443015504986 and 540443015505004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10581662 + ... + 34537770.

It is an arithmetic number, because the mean of its divisors is an integer number (78814623692175).

Almost surely, 2^{540443015505044} is an apocalyptic number.

It is an amenable number.

540443015505044 is a deficient number, since it is larger than the sum of its proper divisors (405332468801056).

540443015505044 is a wasteful number, since it uses less digits than its factorization.

540443015505044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29596042 (or 29596040 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 44.

Adding to 540443015505044 its reverse (440505510344045), we get a palindrome (980948525849089).

The spelling of 540443015505044 in words is "five hundred forty trillion, four hundred forty-three billion, fifteen million, five hundred five thousand, forty-four".