4040306085 has 32 divisors (see below), whose sum is σ = 6580961280. Its totient is φ = 2116296000.

The previous prime is 4040306077. The next prime is 4040306111. The reversal of 4040306085 is 5806030404.

4040306085 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4040306085 - 2³ = 4040306077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217410 + ... + 235260.

It is an arithmetic number, because the mean of its divisors is an integer number (205655040).

Almost surely, 2^4040306085 is an apocalyptic number.

It is an amenable number.

4040306085 is a deficient number, since it is larger than the sum of its proper divisors (2540655195).

4040306085 is a wasteful number, since it uses less digits than its factorization.

4040306085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18129.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4040306085 is about 63563.4020879940. The cubic root of 4040306085 is about 1592.7150696095.

Adding to 4040306085 its reverse (5806030404), we get a palindrome (9846336489).

The spelling of 4040306085 in words is "four billion, forty million, three hundred six thousand, eighty-five".