28440875406106 has 8 divisors (see below), whose sum is σ = 42748913342880. Its totient is φ = 14191237625148.

The previous prime is 28440875406091. The next prime is 28440875406113. The reversal of 28440875406106 is 60160457804482.

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, 14600037736 + ... + 14600039683.

It is an arithmetic number, because the mean of its divisors is an integer number (5343614167860).

Almost surely, 2^{28440875406106} is an apocalyptic number.

28440875406106 is a deficient number, since it is larger than the sum of its proper divisors (14308037936774).

28440875406106 is a wasteful number, since it uses less digits than its factorization.

28440875406106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29200077908.

The product of its (nonzero) digits is 10321920, while the sum is 55.

The spelling of 28440875406106 in words is "twenty-eight trillion, four hundred forty billion, eight hundred seventy-five million, four hundred six thousand, one hundred six".