40688904205 has 8 divisors (see below), whose sum is σ = 48879820800. Its totient is φ = 32515699536.

The previous prime is 40688904203. The next prime is 40688904229. The reversal of 40688904205 is 50240988604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40688904205 - 2¹ = 40688904203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40688904203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422925 + ... + 4432114.

It is an arithmetic number, because the mean of its divisors is an integer number (6109977600).

Almost surely, 2^40688904205 is an apocalyptic number.

It is an amenable number.

40688904205 is a deficient number, since it is larger than the sum of its proper divisors (8190916595).

40688904205 is an equidigital number, since it uses as much as digits as its factorization.

40688904205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855963.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 40688904205 in words is "forty billion, six hundred eighty-eight million, nine hundred four thousand, two hundred five".