540542326 has 4 divisors (see below), whose sum is σ = 810813492. Its totient is φ = 270271162.

The previous prime is 540542269. The next prime is 540542329. The reversal of 540542326 is 623245045.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540542329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135135580 + ... + 135135583.

It is an arithmetic number, because the mean of its divisors is an integer number (202703373).

Almost surely, 2^540542326 is an apocalyptic number.

540542326 is a deficient number, since it is larger than the sum of its proper divisors (270271166).

540542326 is a wasteful number, since it uses less digits than its factorization.

540542326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270271165.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 540542326 is about 23249.5661464897. The cubic root of 540542326 is about 814.5978047395.

The spelling of 540542326 in words is "five hundred forty million, five hundred forty-two thousand, three hundred twenty-six".