42880717161818 has 64 divisors (see below), whose sum is σ = 70325918668800. Its totient is φ = 19540865710080.

The previous prime is 42880717161787. The next prime is 42880717161871. The reversal of 42880717161818 is 81816171708824.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2030230298 + ... + 2030251418.

It is an arithmetic number, because the mean of its divisors is an integer number (1098842479200).

Almost surely, 2^{42880717161818} is an apocalyptic number.

42880717161818 is a deficient number, since it is larger than the sum of its proper divisors (27445201506982).

42880717161818 is a wasteful number, since it uses less digits than its factorization.

42880717161818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40515.

The product of its (nonzero) digits is 9633792, while the sum is 62.

The spelling of 42880717161818 in words is "forty-two trillion, eight hundred eighty billion, seven hundred seventeen million, one hundred sixty-one thousand, eight hundred eighteen".