41661563202340 has 24 divisors (see below), whose sum is σ = 88923533263992. Its totient is φ = 16391434702080.

The previous prime is 41661563202299. The next prime is 41661563202377. The reversal of 41661563202340 is 4320236516614.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3731016749056 + 37930546453284 = 1931584^2 + 6158778^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17074409929 + ... + 17074412368.

It is an arithmetic number, because the mean of its divisors is an integer number (3705147219333).

Almost surely, 2^{41661563202340} is an apocalyptic number.

It is an amenable number.

41661563202340 is an abundant number, since it is smaller than the sum of its proper divisors (47261970061652).

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

41661563202340 is a wasteful number, since it uses less digits than its factorization.

41661563202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34148822367 (or 34148822365 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

Adding to 41661563202340 its reverse (4320236516614), we get a palindrome (45981799718954).

The spelling of 41661563202340 in words is "forty-one trillion, six hundred sixty-one billion, five hundred sixty-three million, two hundred two thousand, three hundred forty".