42728544086 has 4 divisors (see below), whose sum is σ = 64092816132. Its totient is φ = 21364272042.

The previous prime is 42728544077. The next prime is 42728544091. The reversal of 42728544086 is 68044582724.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10682136020 + ... + 10682136023.

It is an arithmetic number, because the mean of its divisors is an integer number (16023204033).

Almost surely, 2^42728544086 is an apocalyptic number.

42728544086 is a deficient number, since it is larger than the sum of its proper divisors (21364272046).

42728544086 is a wasteful number, since it uses less digits than its factorization.

42728544086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21364272045.

The product of its (nonzero) digits is 3440640, while the sum is 50.

The spelling of 42728544086 in words is "forty-two billion, seven hundred twenty-eight million, five hundred forty-four thousand, eighty-six".