40163303 has 2 divisors, whose sum is σ = 40163304. Its totient is φ = 40163302.

The previous prime is 40163293. The next prime is 40163311. The reversal of 40163303 is 30336104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40163303 - 2⁴ = 40163287 is a prime.

It is a super-2 number, since 2×40163303² = 3226181815739618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40163353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20081651 + 20081652.

It is an arithmetic number, because the mean of its divisors is an integer number (20081652).

Almost surely, 2^40163303 is an apocalyptic number.

40163303 is a deficient number, since it is larger than the sum of its proper divisors (1).

40163303 is an equidigital number, since it uses as much as digits as its factorization.

40163303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 40163303 is about 6337.4524061329. The cubic root of 40163303 is about 342.4599644183.

Adding to 40163303 its reverse (30336104), we get a palindrome (70499407).

The spelling of 40163303 in words is "forty million, one hundred sixty-three thousand, three hundred three".