42161115982 has 32 divisors (see below), whose sum is σ = 69534811584. Its totient is φ = 19091404800.

The previous prime is 42161115979. The next prime is 42161115989. The reversal of 42161115982 is 28951116124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42161115989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105394 + ... + 308917.

It is an arithmetic number, because the mean of its divisors is an integer number (2172962862).

Almost surely, 2^42161115982 is an apocalyptic number.

42161115982 is a deficient number, since it is larger than the sum of its proper divisors (27373695602).

42161115982 is a wasteful number, since it uses less digits than its factorization.

42161115982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414444.

The product of its digits is 34560, while the sum is 40.

The spelling of 42161115982 in words is "forty-two billion, one hundred sixty-one million, one hundred fifteen thousand, nine hundred eighty-two".