40266383 has 2 divisors, whose sum is σ = 40266384. Its totient is φ = 40266382.

The previous prime is 40266337. The next prime is 40266389. The reversal of 40266383 is 38366204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40266383 - 2²⁰ = 39217807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40266389) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20133191 + 20133192.

It is an arithmetic number, because the mean of its divisors is an integer number (20133192).

Almost surely, 2^40266383 is an apocalyptic number.

40266383 is a deficient number, since it is larger than the sum of its proper divisors (1).

40266383 is an equidigital number, since it uses as much as digits as its factorization.

40266383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 40266383 is about 6345.5798001443. The cubic root of 40266383 is about 342.7526911399.

The spelling of 40266383 in words is "forty million, two hundred sixty-six thousand, three hundred eighty-three".