540646451603 has 8 divisors (see below), whose sum is σ = 564171501600. Its totient is φ = 517122958528.

The previous prime is 540646451591. The next prime is 540646451647. The reversal of 540646451603 is 306154646045.

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 540646451603 - 2²⁸ = 540378016147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540646451003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350303 + ... + 1097271.

It is an arithmetic number, because the mean of its divisors is an integer number (70521437700).

Almost surely, 2^540646451603 is an apocalyptic number.

540646451603 is a deficient number, since it is larger than the sum of its proper divisors (23525049997).

540646451603 is a wasteful number, since it uses less digits than its factorization.

540646451603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778461.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 540646451603 in words is "five hundred forty billion, six hundred forty-six million, four hundred fifty-one thousand, six hundred three".