40678303 has 2 divisors, whose sum is σ = 40678304. Its totient is φ = 40678302.

The previous prime is 40678291. The next prime is 40678321. The reversal of 40678303 is 30387604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40678303 - 2¹⁷ = 40547231 is a prime.

It is equal to p_2472367 and since 40678303 and 2472367 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 (40678003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20339151 + 20339152.

It is an arithmetic number, because the mean of its divisors is an integer number (20339152).

Almost surely, 2^40678303 is an apocalyptic number.

40678303 is a deficient number, since it is larger than the sum of its proper divisors (1).

40678303 is an equidigital number, since it uses as much as digits as its factorization.

40678303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40678303 is about 6377.9544526439. The cubic root of 40678303 is about 343.9175003847.

The spelling of 40678303 in words is "forty million, six hundred seventy-eight thousand, three hundred three".