40869085 has 16 divisors (see below), whose sum is σ = 50925312. Its totient is φ = 31464000.

The previous prime is 40869083. The next prime is 40869089. The reversal of 40869085 is 58096804.

It is not a de Polignac number, because 40869085 - 2¹ = 40869083 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40869083) 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 in 15 ways as a sum of consecutive naturals, for example, 12910 + ... + 15760.

It is an arithmetic number, because the mean of its divisors is an integer number (3182832).

Almost surely, 2^40869085 is an apocalyptic number.

It is an amenable number.

40869085 is a deficient number, since it is larger than the sum of its proper divisors (10056227).

40869085 is a wasteful number, since it uses less digits than its factorization.

40869085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 40869085 is about 6392.8933199296. The cubic root of 40869085 is about 344.4543218542.

The spelling of 40869085 in words is "forty million, eight hundred sixty-nine thousand, eighty-five".