41985977181 has 8 divisors (see below), whose sum is σ = 55998132480. Its totient is φ = 27982236672.

The previous prime is 41985977153. The next prime is 41985977203. The reversal of 41985977181 is 18177958914.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 41985977181 - 2¹³ = 41985968989 is a prime.

It is a super-4 number, since 4×41985977181⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41985977101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2092045 + ... + 2112018.

It is an arithmetic number, because the mean of its divisors is an integer number (6999766560).

Almost surely, 2^41985977181 is an apocalyptic number.

It is an amenable number.

41985977181 is a deficient number, since it is larger than the sum of its proper divisors (14012155299).

41985977181 is a wasteful number, since it uses less digits than its factorization.

41985977181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207395.

The product of its digits is 5080320, while the sum is 60.

The spelling of 41985977181 in words is "forty-one billion, nine hundred eighty-five million, nine hundred seventy-seven thousand, one hundred eighty-one".