41547978648 has 480 divisors, whose sum is σ = 137045684160. Its totient is φ = 11706923520.

The previous prime is 41547978613. The next prime is 41547978673. The reversal of 41547978648 is 84687974514.

41547978648 is a `hidden beast` number, since 4 + 1 + 547 + 9 + 7 + 86 + 4 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 500578015 + ... + 500578097.

It is an arithmetic number, because the mean of its divisors is an integer number (285511842).

Almost surely, 2^41547978648 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 41547978648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68522842080).

41547978648 is an abundant number, since it is smaller than the sum of its proper divisors (95497705512).

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

41547978648 is an equidigital number, since it uses as much as digits as its factorization.

41547978648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 116 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 63.

The spelling of 41547978648 in words is "forty-one billion, five hundred forty-seven million, nine hundred seventy-eight thousand, six hundred forty-eight".