540261635263 has 8 divisors (see below), whose sum is σ = 617602399232. Its totient is φ = 462961003896.

The previous prime is 540261635257. The next prime is 540261635273. The reversal of 540261635263 is 362536162045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540261635263 - 2²⁹ = 539724764351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540261635273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10004295 + ... + 10058152.

It is an arithmetic number, because the mean of its divisors is an integer number (77200299904).

Almost surely, 2^540261635263 is an apocalyptic number.

540261635263 is a deficient number, since it is larger than the sum of its proper divisors (77340763969).

540261635263 is a wasteful number, since it uses less digits than its factorization.

540261635263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20066301.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 540261635263 in words is "five hundred forty billion, two hundred sixty-one million, six hundred thirty-five thousand, two hundred sixty-three".