540344425906 has 4 divisors (see below), whose sum is σ = 810516638862. Its totient is φ = 270172212952.

The previous prime is 540344425883. The next prime is 540344425921. The reversal of 540344425906 is 609524443045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 332035250625 + 208309175281 = 576225^2 + 456409^2 .

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 as a sum of consecutive naturals, namely, 135086106475 + ... + 135086106478.

Almost surely, 2^540344425906 is an apocalyptic number.

540344425906 is a deficient number, since it is larger than the sum of its proper divisors (270172212956).

540344425906 is a wasteful number, since it uses less digits than its factorization.

540344425906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270172212955.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 540344425906 in words is "five hundred forty billion, three hundred forty-four million, four hundred twenty-five thousand, nine hundred six".