40358863 has 2 divisors, whose sum is σ = 40358864. Its totient is φ = 40358862.

The previous prime is 40358861. The next prime is 40358957. The reversal of 40358863 is 36885304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40358863 - 2¹ = 40358861 is a prime.

Together with 40358861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40358861) 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, 20179431 + 20179432.

It is an arithmetic number, because the mean of its divisors is an integer number (20179432).

Almost surely, 2^40358863 is an apocalyptic number.

40358863 is a deficient number, since it is larger than the sum of its proper divisors (1).

40358863 is an equidigital number, since it uses as much as digits as its factorization.

40358863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 40358863 is about 6352.8625831195. The cubic root of 40358863 is about 343.0148911078.

It can be divided in two parts, 403588 and 63, that added together give a triangular number (403651 = T₈₉₈).

The spelling of 40358863 in words is "forty million, three hundred fifty-eight thousand, eight hundred sixty-three".