41997340081 has 8 divisors (see below), whose sum is σ = 42098360040. Its totient is φ = 41896393728.

The previous prime is 41997340027. The next prime is 41997340087. The reversal of 41997340081 is 18004379914.

It can be written as a sum of positive squares in 4 ways, for example, as 37038927025 + 4958413056 = 192455^2 + 70416^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 41997340081 - 2²⁵ = 41963785649 is a prime.

It is a super-3 number, since 3×41997340081³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41997340087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223505 + ... + 1257361.

It is an arithmetic number, because the mean of its divisors is an integer number (5262295005).

Almost surely, 2^41997340081 is an apocalyptic number.

It is an amenable number.

41997340081 is a deficient number, since it is larger than the sum of its proper divisors (101019959).

41997340081 is a wasteful number, since it uses less digits than its factorization.

41997340081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36803.

The product of its (nonzero) digits is 217728, while the sum is 46.

The spelling of 41997340081 in words is "forty-one billion, nine hundred ninety-seven million, three hundred forty thousand, eighty-one".