4394236078285 has 32 divisors (see below), whose sum is σ = 5322533027328. Its totient is φ = 3482582906880.

The previous prime is 4394236078237. The next prime is 4394236078289. The reversal of 4394236078285 is 5828706324934.

It is not a de Polignac number, because 4394236078285 - 2⁹ = 4394236077773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394236078289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 483356590 + ... + 483365680.

It is an arithmetic number, because the mean of its divisors is an integer number (166329157104).

Almost surely, 2^{4394236078285} is an apocalyptic number.

It is an amenable number.

4394236078285 is a deficient number, since it is larger than the sum of its proper divisors (928296949043).

4394236078285 is a wasteful number, since it uses less digits than its factorization.

4394236078285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11205.

The product of its (nonzero) digits is 69672960, while the sum is 61.

The spelling of 4394236078285 in words is "four trillion, three hundred ninety-four billion, two hundred thirty-six million, seventy-eight thousand, two hundred eighty-five".