540352505444 has 6 divisors (see below), whose sum is σ = 945616884534. Its totient is φ = 270176252720.

The previous prime is 540352505401. The next prime is 540352505447. The reversal of 540352505444 is 444505253045.

It can be written as a sum of positive squares in only one way, i.e., 414043345444 + 126309160000 = 643462^2 + 355400^2 .

It is not an unprimeable number, because it can be changed into a prime (540352505447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67544063177 + ... + 67544063184.

It is an arithmetic number, because the mean of its divisors is an integer number (157602814089).

Almost surely, 2^540352505444 is an apocalyptic number.

It is an amenable number.

540352505444 is a deficient number, since it is larger than the sum of its proper divisors (405264379090).

540352505444 is a wasteful number, since it uses less digits than its factorization.

540352505444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135088126365 (or 135088126363 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 540352505444 its reverse (444505253045), we get a palindrome (984857758489).

The spelling of 540352505444 in words is "five hundred forty billion, three hundred fifty-two million, five hundred five thousand, four hundred forty-four".