41561021443344 has 80 divisors (see below), whose sum is σ = 115626982232832. Its totient is φ = 12787775529984.

The previous prime is 41561021443309. The next prime is 41561021443349. The reversal of 41561021443344 is 44334412016514.

It is a junction number, because it is equal to n+sod(n) for n = 41561021443296 and 41561021443305.

It is not an unprimeable number, because it can be changed into a prime (41561021443349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35714809 + ... + 36860135.

Almost surely, 2^{41561021443344} is an apocalyptic number.

It is an amenable number.

41561021443344 is an abundant number, since it is smaller than the sum of its proper divisors (74065960789488).

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

41561021443344 is a wasteful number, since it uses less digits than its factorization.

41561021443344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203504 (or 1203498 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

Adding to 41561021443344 its reverse (44334412016514), we get a palindrome (85895433459858).

The spelling of 41561021443344 in words is "forty-one trillion, five hundred sixty-one billion, twenty-one million, four hundred forty-three thousand, three hundred forty-four".