40986403 has 2 divisors, whose sum is σ = 40986404. Its totient is φ = 40986402.

The previous prime is 40986317. The next prime is 40986409. The reversal of 40986403 is 30468904.

40986403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40986403 is a prime.

It is not a weakly prime, because it can be changed into another prime (40986409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20493201 + 20493202.

It is an arithmetic number, because the mean of its divisors is an integer number (20493202).

Almost surely, 2^40986403 is an apocalyptic number.

40986403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40986403 is an equidigital number, since it uses as much as digits as its factorization.

40986403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40986403 is about 6402.0624020701. The cubic root of 40986403 is about 344.7836016044.

It can be divided in two parts, 4098 and 6403, that added together give a palindrome (10501).

The spelling of 40986403 in words is "forty million, nine hundred eighty-six thousand, four hundred three".