540404424646442 has 8 divisors (see below), whose sum is σ = 810679265498532. Its totient is φ = 270178002813600.

The previous prime is 540404424646439. The next prime is 540404424646483. The reversal of 540404424646442 is 244646424404045.

It can be written as a sum of positive squares in 2 ways, for example, as 537513203917561 + 2891220728881 = 23184331^2 + 1700359^2 .

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 (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12104726909 + ... + 12104771552.

Almost surely, 2^{540404424646442} is an apocalyptic number.

540404424646442 is a deficient number, since it is larger than the sum of its proper divisors (270274840852090).

540404424646442 is a wasteful number, since it uses less digits than its factorization.

540404424646442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24209509624.

The product of its (nonzero) digits is 47185920, while the sum is 53.

The spelling of 540404424646442 in words is "five hundred forty trillion, four hundred four billion, four hundred twenty-four million, six hundred forty-six thousand, four hundred forty-two".