41815643783826 has 256 divisors, whose sum is σ = 100299457032192. Its totient is φ = 11489651712000.

The previous prime is 41815643783821. The next prime is 41815643783887. The reversal of 41815643783826 is 62838734651814.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (41815643783821) 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 127 ways as a sum of consecutive naturals, for example, 968448750 + ... + 968491926.

It is an arithmetic number, because the mean of its divisors is an integer number (391794754032).

Almost surely, 2^{41815643783826} is an apocalyptic number.

41815643783826 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 41815643783826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50149728516096).

41815643783826 is an abundant number, since it is smaller than the sum of its proper divisors (58483813248366).

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

41815643783826 is a wasteful number, since it uses less digits than its factorization.

41815643783826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43697.

The product of its digits is 185794560, while the sum is 66.

The spelling of 41815643783826 in words is "forty-one trillion, eight hundred fifteen billion, six hundred forty-three million, seven hundred eighty-three thousand, eight hundred twenty-six".