42282128765 has 8 divisors (see below), whose sum is σ = 53723175480. Its totient is φ = 31835955712.

The previous prime is 42282128741. The next prime is 42282128887. The reversal of 42282128765 is 56782128224.

It can be written as a sum of positive squares in 4 ways, for example, as 9208705444 + 33073423321 = 95962^2 + 181861^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42282128765 - 2⁸ = 42282128509 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248718320 + ... + 248718489.

It is an arithmetic number, because the mean of its divisors is an integer number (6715396935).

Almost surely, 2^42282128765 is an apocalyptic number.

It is an amenable number.

42282128765 is a deficient number, since it is larger than the sum of its proper divisors (11441046715).

42282128765 is a wasteful number, since it uses less digits than its factorization.

42282128765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497436831.

The product of its digits is 860160, while the sum is 47.

The spelling of 42282128765 in words is "forty-two billion, two hundred eighty-two million, one hundred twenty-eight thousand, seven hundred sixty-five".