540403312044 has 12 divisors (see below), whose sum is σ = 1260941061464. Its totient is φ = 180134437344.

The previous prime is 540403312037. The next prime is 540403312061. The reversal of 540403312044 is 440213304045.

540403312044 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 22516804657 + ... + 22516804680.

Almost surely, 2^540403312044 is an apocalyptic number.

It is an amenable number.

540403312044 is an abundant number, since it is smaller than the sum of its proper divisors (720537749420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

540403312044 is a wasteful number, since it uses less digits than its factorization.

540403312044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45033609344 (or 45033609342 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 540403312044 its reverse (440213304045), we get a palindrome (980616616089).

The spelling of 540403312044 in words is "five hundred forty billion, four hundred three million, three hundred twelve thousand, forty-four".