41644082381 has 8 divisors (see below), whose sum is σ = 45508649664. Its totient is φ = 37792638720.

The previous prime is 41644082377. The next prime is 41644082399. The reversal of 41644082381 is 18328044614.

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 41644082381 - 2² = 41644082377 is a prime.

It is a super-2 number, since 2×41644082381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41644084381) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3274265 + ... + 3286958.

It is an arithmetic number, because the mean of its divisors is an integer number (5688581208).

Almost surely, 2^41644082381 is an apocalyptic number.

It is an amenable number.

41644082381 is a deficient number, since it is larger than the sum of its proper divisors (3864567283).

41644082381 is a wasteful number, since it uses less digits than its factorization.

41644082381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561811.

The product of its (nonzero) digits is 147456, while the sum is 41.

The spelling of 41644082381 in words is "forty-one billion, six hundred forty-four million, eighty-two thousand, three hundred eighty-one".