40335331 has 2 divisors, whose sum is σ = 40335332. Its totient is φ = 40335330.

The previous prime is 40335311. The next prime is 40335367. The reversal of 40335331 is 13353304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40335331 - 2¹⁷ = 40204259 is a prime.

It is a super-2 number, since 2×40335331² = 3253877853759122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40335301) 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, 20167665 + 20167666.

It is an arithmetic number, because the mean of its divisors is an integer number (20167666).

Almost surely, 2^40335331 is an apocalyptic number.

40335331 is a deficient number, since it is larger than the sum of its proper divisors (1).

40335331 is an equidigital number, since it uses as much as digits as its factorization.

40335331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 40335331 is about 6351.0102346005. The cubic root of 40335331 is about 342.9482110353.

Adding to 40335331 its reverse (13353304), we get a palindrome (53688635).

The spelling of 40335331 in words is "forty million, three hundred thirty-five thousand, three hundred thirty-one".