40308567685 has 4 divisors (see below), whose sum is σ = 48370281228. Its totient is φ = 32246854144.

The previous prime is 40308567679. The next prime is 40308567701. The reversal of 40308567685 is 58676580304.

40308567685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14720726241 + 25587841444 = 121329^2 + 159962^2 .

It is a cyclic number.

It is not a de Polignac number, because 40308567685 - 2⁷ = 40308567557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4030856764 + ... + 4030856773.

It is an arithmetic number, because the mean of its divisors is an integer number (12092570307).

Almost surely, 2^40308567685 is an apocalyptic number.

It is an amenable number.

40308567685 is a deficient number, since it is larger than the sum of its proper divisors (8061713543).

40308567685 is an equidigital number, since it uses as much as digits as its factorization.

40308567685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8061713542.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 40308567685 in words is "forty billion, three hundred eight million, five hundred sixty-seven thousand, six hundred eighty-five".