40894241 has 2 divisors, whose sum is σ = 40894242. Its totient is φ = 40894240.

The previous prime is 40894229. The next prime is 40894279. The reversal of 40894241 is 14249804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31315216 + 9579025 = 5596^2 + 3095^2 .

It is a cyclic number.

It is not a de Polignac number, because 40894241 - 2²² = 36699937 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40894198 and 40894207.

It is not a weakly prime, because it can be changed into another prime (40894291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20447120 + 20447121.

It is an arithmetic number, because the mean of its divisors is an integer number (20447121).

Almost surely, 2^40894241 is an apocalyptic number.

It is an amenable number.

40894241 is a deficient number, since it is larger than the sum of its proper divisors (1).

40894241 is an equidigital number, since it uses as much as digits as its factorization.

40894241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 40894241 is about 6394.8605145069. The cubic root of 40894241 is about 344.5249809327.

It can be divided in two parts, 408 and 94241, that added together give a palindrome (94649).

The spelling of 40894241 in words is "forty million, eight hundred ninety-four thousand, two hundred forty-one".