41144185985 has 16 divisors (see below), whose sum is σ = 57577872000. Its totient is φ = 28213154928.

The previous prime is 41144185981. The next prime is 41144185991. The reversal of 41144185985 is 58958144114.

It is a happy number.

It is not a de Polignac number, because 41144185985 - 2² = 41144185981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41144185981) 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, 11993675 + ... + 11997104.

It is an arithmetic number, because the mean of its divisors is an integer number (3598617000).

Almost surely, 2^41144185985 is an apocalyptic number.

It is an amenable number.

41144185985 is a deficient number, since it is larger than the sum of its proper divisors (16433686015).

41144185985 is an equidigital number, since it uses as much as digits as its factorization.

41144185985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23990805 (or 23990791 counting only the distinct ones).

The product of its digits is 921600, while the sum is 50.

The spelling of 41144185985 in words is "forty-one billion, one hundred forty-four million, one hundred eighty-five thousand, nine hundred eighty-five".