540065322401 has 16 divisors (see below), whose sum is σ = 592501751808. Its totient is φ = 488189797200.

The previous prime is 540065322383. The next prime is 540065322451. The reversal of 540065322401 is 104223560045.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540065322401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540065322451) 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, 2415896 + ... + 2629958.

It is an arithmetic number, because the mean of its divisors is an integer number (37031359488).

Almost surely, 2^540065322401 is an apocalyptic number.

It is an amenable number.

540065322401 is a deficient number, since it is larger than the sum of its proper divisors (52436429407).

540065322401 is a wasteful number, since it uses less digits than its factorization.

540065322401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215372.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 540065322401 its reverse (104223560045), we get a palindrome (644288882446).

The spelling of 540065322401 in words is "five hundred forty billion, sixty-five million, three hundred twenty-two thousand, four hundred one".