41640220435365 has 256 divisors, whose sum is σ = 81044516044800. Its totient is φ = 20220305301504.

The previous prime is 41640220435309. The next prime is 41640220435393. The reversal of 41640220435365 is 56353402204614.

41640220435365 is a `hidden beast` number, since 4 + 1 + 6 + 402 + 204 + 3 + 5 + 36 + 5 = 666.

It is not a de Polignac number, because 41640220435365 - 2⁶ = 41640220435301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 41640220435365.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 2297128932 + ... + 2297147058.

It is an arithmetic number, because the mean of its divisors is an integer number (316580140800).

Almost surely, 2^{41640220435365} is an apocalyptic number.

41640220435365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41640220435365 is a deficient number, since it is larger than the sum of its proper divisors (39404295609435).

41640220435365 is a wasteful number, since it uses less digits than its factorization.

41640220435365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18553 (or 18547 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

Adding to 41640220435365 its reverse (56353402204614), we get a palindrome (97993622639979).

The spelling of 41640220435365 in words is "forty-one trillion, six hundred forty billion, two hundred twenty million, four hundred thirty-five thousand, three hundred sixty-five".