540043331402 has 8 divisors (see below), whose sum is σ = 810153257412. Its totient is φ = 269992245600.

The previous prime is 540043331393. The next prime is 540043331497. The reversal of 540043331402 is 204133340045.

It can be written as a sum of positive squares in 2 ways, for example, as 490852970881 + 49190360521 = 700609^2 + 221789^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14687099 + ... + 14723822.

Almost surely, 2^540043331402 is an apocalyptic number.

540043331402 is a deficient number, since it is larger than the sum of its proper divisors (270109926010).

540043331402 is a wasteful number, since it uses less digits than its factorization.

540043331402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29420104.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 540043331402 its reverse (204133340045), we get a palindrome (744176671447).

The spelling of 540043331402 in words is "five hundred forty billion, forty-three million, three hundred thirty-one thousand, four hundred two".