40103659 has 2 divisors, whose sum is σ = 40103660. Its totient is φ = 40103658.

The previous prime is 40103653. The next prime is 40103681. The reversal of 40103659 is 95630104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40103659 - 2¹³ = 40095467 is a prime.

It is not a weakly prime, because it can be changed into another prime (40103653) 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, 20051829 + 20051830.

It is an arithmetic number, because the mean of its divisors is an integer number (20051830).

Almost surely, 2^40103659 is an apocalyptic number.

40103659 is a deficient number, since it is larger than the sum of its proper divisors (1).

40103659 is an equidigital number, since it uses as much as digits as its factorization.

40103659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 40103659 is about 6332.7449814437. The cubic root of 40103659 is about 342.2903585019.

The spelling of 40103659 in words is "forty million, one hundred three thousand, six hundred fifty-nine".