40353373 has 2 divisors, whose sum is σ = 40353374. Its totient is φ = 40353372.

The previous prime is 40353331. The next prime is 40353433. The reversal of 40353373 is 37335304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24176889 + 16176484 = 4917^2 + 4022^2 .

It is a cyclic number.

It is not a de Polignac number, because 40353373 - 2⁹ = 40352861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40353323) 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, 20176686 + 20176687.

It is an arithmetic number, because the mean of its divisors is an integer number (20176687).

Almost surely, 2^40353373 is an apocalyptic number.

It is an amenable number.

40353373 is a deficient number, since it is larger than the sum of its proper divisors (1).

40353373 is an equidigital number, since it uses as much as digits as its factorization.

40353373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 28.

The square root of 40353373 is about 6352.4304797455. The cubic root of 40353373 is about 342.9993370097. Note that the first 3 decimals are identical.

Adding to 40353373 its reverse (37335304), we get a palindrome (77688677).

The spelling of 40353373 in words is "forty million, three hundred fifty-three thousand, three hundred seventy-three".