40451339 has 2 divisors, whose sum is σ = 40451340. Its totient is φ = 40451338.

The previous prime is 40451321. The next prime is 40451351. The reversal of 40451339 is 93315404.

40451339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40451339 - 2¹⁶ = 40385803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40451309) 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, 20225669 + 20225670.

It is an arithmetic number, because the mean of its divisors is an integer number (20225670).

Almost surely, 2^40451339 is an apocalyptic number.

40451339 is a deficient number, since it is larger than the sum of its proper divisors (1).

40451339 is an equidigital number, since it uses as much as digits as its factorization.

40451339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 40451339 is about 6360.1367123671. The cubic root of 40451339 is about 343.2766795220.

The spelling of 40451339 in words is "forty million, four hundred fifty-one thousand, three hundred thirty-nine".