42981085366 has 32 divisors (see below), whose sum is σ = 69534194688. Its totient is φ = 19876327680.

The previous prime is 42981085351. The next prime is 42981085439. The reversal of 42981085366 is 66358018924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59686 + ... + 299206.

It is an arithmetic number, because the mean of its divisors is an integer number (2172943584).

Almost surely, 2^42981085366 is an apocalyptic number.

42981085366 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

42981085366 is a deficient number, since it is larger than the sum of its proper divisors (26553109322).

42981085366 is a wasteful number, since it uses less digits than its factorization.

42981085366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239676.

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 42981085366 in words is "forty-two billion, nine hundred eighty-one million, eighty-five thousand, three hundred sixty-six".