40505544403183 has 2 divisors, whose sum is σ = 40505544403184. Its totient is φ = 40505544403182.

The previous prime is 40505544403169. The next prime is 40505544403211. The reversal of 40505544403183 is 38130444550504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40505544403183 - 2⁹ = 40505544402671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40505544403123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20252772201591 + 20252772201592.

It is an arithmetic number, because the mean of its divisors is an integer number (20252772201592).

Almost surely, 2^{40505544403183} is an apocalyptic number.

40505544403183 is a deficient number, since it is larger than the sum of its proper divisors (1).

40505544403183 is an equidigital number, since it uses as much as digits as its factorization.

40505544403183 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304000, while the sum is 46.

Adding to 40505544403183 its reverse (38130444550504), we get a palindrome (78635988953687).

The spelling of 40505544403183 in words is "forty trillion, five hundred five billion, five hundred forty-four million, four hundred three thousand, one hundred eighty-three".