40272041 has 2 divisors, whose sum is σ = 40272042. Its totient is φ = 40272040.

The previous prime is 40272019. The next prime is 40272047. The reversal of 40272041 is 14027204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28847641 + 11424400 = 5371^2 + 3380^2 .

It is a cyclic number.

It is not a de Polignac number, because 40272041 - 2¹⁰ = 40271017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40272047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20136020 + 20136021.

It is an arithmetic number, because the mean of its divisors is an integer number (20136021).

Almost surely, 2^40272041 is an apocalyptic number.

It is an amenable number.

40272041 is a deficient number, since it is larger than the sum of its proper divisors (1).

40272041 is an equidigital number, since it uses as much as digits as its factorization.

40272041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40272041 is about 6346.0256066297. The cubic root of 40272041 is about 342.7687442654.

Adding to 40272041 its reverse (14027204), we get a palindrome (54299245).

The spelling of 40272041 in words is "forty million, two hundred seventy-two thousand, forty-one".