41521106440 has 96 divisors (see below), whose sum is σ = 104095094040. Its totient is φ = 14891627520.

The previous prime is 41521106437. The next prime is 41521106449. The reversal of 41521106440 is 4460112514.

It can be written as a sum of positive squares in 4 ways, for example, as 27465107076 + 14055999364 = 165726^2 + 118558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 41521106399 and 41521106408.

It is not an unprimeable number, because it can be changed into a prime (41521106449) 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 23 ways as a sum of consecutive naturals, for example, 294562 + ... + 412078.

Almost surely, 2^41521106440 is an apocalyptic number.

41521106440 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 41521106440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52047547020).

41521106440 is an abundant number, since it is smaller than the sum of its proper divisors (62573987600).

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

41521106440 is a wasteful number, since it uses less digits than its factorization.

41521106440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117623 (or 117608 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 41521106440 its reverse (4460112514), we get a palindrome (45981218954).

The spelling of 41521106440 in words is "forty-one billion, five hundred twenty-one million, one hundred six thousand, four hundred forty".