40064383 has 2 divisors, whose sum is σ = 40064384. Its totient is φ = 40064382.

The previous prime is 40064333. The next prime is 40064419. The reversal of 40064383 is 38346004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40064383 is a prime.

It is equal to p_2437291 and since 40064383 and 2437291 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40064333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20032191 + 20032192.

It is an arithmetic number, because the mean of its divisors is an integer number (20032192).

Almost surely, 2^40064383 is an apocalyptic number.

40064383 is a deficient number, since it is larger than the sum of its proper divisors (1).

40064383 is an equidigital number, since it uses as much as digits as its factorization.

40064383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 40064383 is about 6329.6431968951. The cubic root of 40064383 is about 342.1785799458.

The spelling of 40064383 in words is "forty million, sixty-four thousand, three hundred eighty-three".