42866820262685 has 16 divisors (see below), whose sum is σ = 53163752689152. Its totient is φ = 33147085944000.

The previous prime is 42866820262631. The next prime is 42866820262703. The reversal of 42866820262685 is 58626202866824.

It is not a de Polignac number, because 42866820262685 - 2⁸ = 42866820262429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167078666 + ... + 167335035.

It is an arithmetic number, because the mean of its divisors is an integer number (3322734543072).

Almost surely, 2^{42866820262685} is an apocalyptic number.

It is an amenable number.

42866820262685 is a deficient number, since it is larger than the sum of its proper divisors (10296932426467).

42866820262685 is a wasteful number, since it uses less digits than its factorization.

42866820262685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334414564.

The product of its (nonzero) digits is 212336640, while the sum is 65.

The spelling of 42866820262685 in words is "forty-two trillion, eight hundred sixty-six billion, eight hundred twenty million, two hundred sixty-two thousand, six hundred eighty-five".