40338503 has 2 divisors, whose sum is σ = 40338504. Its totient is φ = 40338502.

The previous prime is 40338479. The next prime is 40338511. The reversal of 40338503 is 30583304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40338503 - 2⁶ = 40338439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40338523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20169251 + 20169252.

It is an arithmetic number, because the mean of its divisors is an integer number (20169252).

Almost surely, 2^40338503 is an apocalyptic number.

40338503 is a deficient number, since it is larger than the sum of its proper divisors (1).

40338503 is an equidigital number, since it uses as much as digits as its factorization.

40338503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 40338503 is about 6351.2599537415. The cubic root of 40338503 is about 342.9572006992.

The spelling of 40338503 in words is "forty million, three hundred thirty-eight thousand, five hundred three".