41665388544 has 336 divisors, whose sum is σ = 134176770000. Its totient is φ = 12369788928.

The previous prime is 41665388533. The next prime is 41665388551. The reversal of 41665388544 is 44588356614.

41665388544 is a `hidden beast` number, since 4 + 1 + 6 + 65 + 38 + 8 + 544 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27794707 + ... + 27796205.

It is an arithmetic number, because the mean of its divisors is an integer number (399335625).

Almost surely, 2^41665388544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41665388544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67088385000).

41665388544 is an abundant number, since it is smaller than the sum of its proper divisors (92511381456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41665388544 is a wasteful number, since it uses less digits than its factorization.

41665388544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1573 (or 1546 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 41665388544 in words is "forty-one billion, six hundred sixty-five million, three hundred eighty-eight thousand, five hundred forty-four".