540403506343 has 8 divisors (see below), whose sum is σ = 561377188800. Its totient is φ = 519585762528.

The previous prime is 540403506319. The next prime is 540403506347. The reversal of 540403506343 is 343605304045.

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

It is a de Polignac number, because none of the positive numbers 2^k-540403506343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540403506347) 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, 38977596 + ... + 38991457.

It is an arithmetic number, because the mean of its divisors is an integer number (70172148600).

Almost surely, 2^540403506343 is an apocalyptic number.

540403506343 is a deficient number, since it is larger than the sum of its proper divisors (20973682457).

540403506343 is a wasteful number, since it uses less digits than its factorization.

540403506343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77969321.

The product of its (nonzero) digits is 259200, while the sum is 37.

The spelling of 540403506343 in words is "five hundred forty billion, four hundred three million, five hundred six thousand, three hundred forty-three".