40414181 has 2 divisors, whose sum is σ = 40414182. Its totient is φ = 40414180.

The previous prime is 40414133. The next prime is 40414193. The reversal of 40414181 is 18141404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38950081 + 1464100 = 6241^2 + 1210^2 .

It is a cyclic number.

It is not a de Polignac number, because 40414181 - 2¹⁰ = 40413157 is a prime.

It is a super-2 number, since 2×40414181² = 3266612051801522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40414681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20207090 + 20207091.

It is an arithmetic number, because the mean of its divisors is an integer number (20207091).

Almost surely, 2^40414181 is an apocalyptic number.

It is an amenable number.

40414181 is a deficient number, since it is larger than the sum of its proper divisors (1).

40414181 is an equidigital number, since it uses as much as digits as its factorization.

40414181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 40414181 is about 6357.2148776017. The cubic root of 40414181 is about 343.1715376995.

Adding to 40414181 its reverse (18141404), we get a palindrome (58555585).

The spelling of 40414181 in words is "forty million, four hundred fourteen thousand, one hundred eighty-one".