40505241445 has 4 divisors (see below), whose sum is σ = 48606289740. Its totient is φ = 32404193152.

The previous prime is 40505241407. The next prime is 40505241499. The reversal of 40505241445 is 54414250504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27683302689 + 12821938756 = 166383^2 + 113234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40505241445 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40505241445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4050524140 + ... + 4050524149.

It is an arithmetic number, because the mean of its divisors is an integer number (12151572435).

Almost surely, 2^40505241445 is an apocalyptic number.

It is an amenable number.

40505241445 is a deficient number, since it is larger than the sum of its proper divisors (8101048295).

40505241445 is an equidigital number, since it uses as much as digits as its factorization.

40505241445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8101048294.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 40505241445 its reverse (54414250504), we get a palindrome (94919491949).

The spelling of 40505241445 in words is "forty billion, five hundred five million, two hundred forty-one thousand, four hundred forty-five".