40868835 has 16 divisors (see below), whose sum is σ = 74731776. Its totient is φ = 18682848.

The previous prime is 40868813. The next prime is 40868869. The reversal of 40868835 is 53886804.

It is not a de Polignac number, because 40868835 - 2¹⁰ = 40867811 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 194509 + ... + 194718.

It is an arithmetic number, because the mean of its divisors is an integer number (4670736).

Almost surely, 2^40868835 is an apocalyptic number.

40868835 is a deficient number, since it is larger than the sum of its proper divisors (33862941).

40868835 is a wasteful number, since it uses less digits than its factorization.

40868835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389242.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 40868835 is about 6392.8737669377. The cubic root of 40868835 is about 344.4536194997.

It can be divided in two parts, 4086 and 8835, that added together give a palindrome (12921).

The spelling of 40868835 in words is "forty million, eight hundred sixty-eight thousand, eight hundred thirty-five".