40225849 has 2 divisors, whose sum is σ = 40225850. Its totient is φ = 40225848.

The previous prime is 40225841. The next prime is 40225891. The reversal of 40225849 is 94852204.

40225849 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., 32205625 + 8020224 = 5675^2 + 2832^2 .

It is a cyclic number.

It is not a de Polignac number, because 40225849 - 2³ = 40225841 is a prime.

It is not a weakly prime, because it can be changed into another prime (40225841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20112924 + 20112925.

It is an arithmetic number, because the mean of its divisors is an integer number (20112925).

Almost surely, 2^40225849 is an apocalyptic number.

It is an amenable number.

40225849 is a deficient number, since it is larger than the sum of its proper divisors (1).

40225849 is an equidigital number, since it uses as much as digits as its factorization.

40225849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 40225849 is about 6342.3851191803. The cubic root of 40225849 is about 342.6376422995.

The spelling of 40225849 in words is "forty million, two hundred twenty-five thousand, eight hundred forty-nine".