40806383 has 4 divisors (see below), whose sum is σ = 41013720. Its totient is φ = 40599048.

The previous prime is 40806373. The next prime is 40806397. The reversal of 40806383 is 38360804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40806383 - 2¹⁴ = 40789999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40806313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103373 + ... + 103766.

It is an arithmetic number, because the mean of its divisors is an integer number (10253430).

Almost surely, 2^40806383 is an apocalyptic number.

40806383 is a deficient number, since it is larger than the sum of its proper divisors (207337).

40806383 is a wasteful number, since it uses less digits than its factorization.

40806383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207336.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40806383 is about 6387.9873982343. The cubic root of 40806383 is about 344.2780759246.

The spelling of 40806383 in words is "forty million, eight hundred six thousand, three hundred eighty-three".