40041331441 has 2 divisors, whose sum is σ = 40041331442. Its totient is φ = 40041331440.

The previous prime is 40041331423. The next prime is 40041331483. The reversal of 40041331441 is 14413314004.

40041331441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27964200625 + 12077130816 = 167225^2 + 109896^2 .

It is a cyclic number.

It is not a de Polignac number, because 40041331441 - 2¹³ = 40041323249 is a prime.

It is not a weakly prime, because it can be changed into another prime (40041334441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020665720 + 20020665721.

It is an arithmetic number, because the mean of its divisors is an integer number (20020665721).

Almost surely, 2^40041331441 is an apocalyptic number.

It is an amenable number.

40041331441 is a deficient number, since it is larger than the sum of its proper divisors (1).

40041331441 is an equidigital number, since it uses as much as digits as its factorization.

40041331441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40041331441 its reverse (14413314004), we get a palindrome (54454645445).

The spelling of 40041331441 in words is "forty billion, forty-one million, three hundred thirty-one thousand, four hundred forty-one".