41091655680 has 576 divisors, whose sum is σ = 154952179200. Its totient is φ = 10032906240.

The previous prime is 41091655673. The next prime is 41091655681. The reversal of 41091655680 is 8655619014.

41091655680 is a `hidden beast` number, since 4 + 1 + 0 + 9 + 16 + 556 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (41091655681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 54281862 + ... + 54282618.

It is an arithmetic number, because the mean of its divisors is an integer number (269014200).

Almost surely, 2^41091655680 is an apocalyptic number.

41091655680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41091655680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77476089600).

41091655680 is an abundant number, since it is smaller than the sum of its proper divisors (113860523520).

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

41091655680 is a wasteful number, since it uses less digits than its factorization.

41091655680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 817 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 41091655680 in words is "forty-one billion, ninety-one million, six hundred fifty-five thousand, six hundred eighty".