40140283 has 2 divisors, whose sum is σ = 40140284. Its totient is φ = 40140282.

The previous prime is 40140259. The next prime is 40140307. The reversal of 40140283 is 38204104.

It is a balanced prime because it is at equal distance from previous prime (40140259) and next prime (40140307).

It is a cyclic number.

It is not a de Polignac number, because 40140283 - 2⁵ = 40140251 is a prime.

It is a super-2 number, since 2×40140283² = 3222484638640178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40140203) 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, 20070141 + 20070142.

It is an arithmetic number, because the mean of its divisors is an integer number (20070142).

Almost surely, 2^40140283 is an apocalyptic number.

40140283 is a deficient number, since it is larger than the sum of its proper divisors (1).

40140283 is an equidigital number, since it uses as much as digits as its factorization.

40140283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40140283 is about 6335.6359586075. The cubic root of 40140283 is about 342.3945237928.

Adding to 40140283 its reverse (38204104), we get a palindrome (78344387).

The spelling of 40140283 in words is "forty million, one hundred forty thousand, two hundred eighty-three".