40650353 has 2 divisors, whose sum is σ = 40650354. Its totient is φ = 40650352.

The previous prime is 40650343. The next prime is 40650397. The reversal of 40650353 is 35305604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22391824 + 18258529 = 4732^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 40650353 - 2⁸ = 40650097 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40650343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20325176 + 20325177.

It is an arithmetic number, because the mean of its divisors is an integer number (20325177).

Almost surely, 2^40650353 is an apocalyptic number.

It is an amenable number.

40650353 is a deficient number, since it is larger than the sum of its proper divisors (1).

40650353 is an equidigital number, since it uses as much as digits as its factorization.

40650353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 40650353 is about 6375.7629347397. The cubic root of 40650353 is about 343.8387139405.

Adding to 40650353 its reverse (35305604), we get a palindrome (75955957).

The spelling of 40650353 in words is "forty million, six hundred fifty thousand, three hundred fifty-three".