540263456643 has 16 divisors (see below), whose sum is σ = 745289316000. Its totient is φ = 347709895680.

The previous prime is 540263456633. The next prime is 540263456647. The reversal of 540263456643 is 346654362045.

It is not a de Polignac number, because 540263456643 - 2⁸ = 540263456387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 540263456592 and 540263456601.

It is not an unprimeable number, because it can be changed into a prime (540263456647) 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, 259533 + ... + 1071393.

It is an arithmetic number, because the mean of its divisors is an integer number (46580582250).

Almost surely, 2^540263456643 is an apocalyptic number.

540263456643 is a deficient number, since it is larger than the sum of its proper divisors (205025859357).

540263456643 is a wasteful number, since it uses less digits than its factorization.

540263456643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819542.

The product of its (nonzero) digits is 6220800, while the sum is 48.

The spelling of 540263456643 in words is "five hundred forty billion, two hundred sixty-three million, four hundred fifty-six thousand, six hundred forty-three".