40777349 has 2 divisors, whose sum is σ = 40777350. Its totient is φ = 40777348.

The previous prime is 40777333. The next prime is 40777409. The reversal of 40777349 is 94377704.

40777349 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., 28281124 + 12496225 = 5318^2 + 3535^2 .

It is a cyclic number.

It is not a de Polignac number, because 40777349 - 2⁴ = 40777333 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40707349) 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, 20388674 + 20388675.

It is an arithmetic number, because the mean of its divisors is an integer number (20388675).

Almost surely, 2^40777349 is an apocalyptic number.

It is an amenable number.

40777349 is a deficient number, since it is larger than the sum of its proper divisors (1).

40777349 is an equidigital number, since it uses as much as digits as its factorization.

40777349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 40777349 is about 6385.7144471077. The cubic root of 40777349 is about 344.1964045410.

The spelling of 40777349 in words is "forty million, seven hundred seventy-seven thousand, three hundred forty-nine".