40382311 has 2 divisors, whose sum is σ = 40382312. Its totient is φ = 40382310.

The previous prime is 40382299. The next prime is 40382333. The reversal of 40382311 is 11328304.

It is an a-pointer prime, because the next prime (40382333) can be obtained adding 40382311 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40382311 - 2¹⁹ = 39858023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40382711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20191155 + 20191156.

It is an arithmetic number, because the mean of its divisors is an integer number (20191156).

Almost surely, 2^40382311 is an apocalyptic number.

40382311 is a deficient number, since it is larger than the sum of its proper divisors (1).

40382311 is an equidigital number, since it uses as much as digits as its factorization.

40382311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40382311 is about 6354.7077824240. The cubic root of 40382311 is about 343.0813073829.

The spelling of 40382311 in words is "forty million, three hundred eighty-two thousand, three hundred eleven".