40445501141 has 2 divisors, whose sum is σ = 40445501142. Its totient is φ = 40445501140.

The previous prime is 40445501123. The next prime is 40445501143. The reversal of 40445501141 is 14110554404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35124382225 + 5321118916 = 187415^2 + 72946^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40445501141 is a prime.

Together with 40445501143, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40445501143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20222750570 + 20222750571.

It is an arithmetic number, because the mean of its divisors is an integer number (20222750571).

Almost surely, 2^40445501141 is an apocalyptic number.

It is an amenable number.

40445501141 is a deficient number, since it is larger than the sum of its proper divisors (1).

40445501141 is an equidigital number, since it uses as much as digits as its factorization.

40445501141 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 40445501141 in words is "forty billion, four hundred forty-five million, five hundred one thousand, one hundred forty-one".