40319085 has 16 divisors (see below), whose sum is σ = 66254976. Its totient is φ = 20922048.

The previous prime is 40319063. The next prime is 40319089. The reversal of 40319085 is 58091304.

It is not a de Polignac number, because 40319085 - 2⁶ = 40319021 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40319089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35769 + ... + 36878.

It is an arithmetic number, because the mean of its divisors is an integer number (4140936).

Almost surely, 2^40319085 is an apocalyptic number.

It is an amenable number.

40319085 is a deficient number, since it is larger than the sum of its proper divisors (25935891).

40319085 is a wasteful number, since it uses less digits than its factorization.

40319085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72692.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 40319085 is about 6349.7310966686. The cubic root of 40319085 is about 342.9021613753.

The spelling of 40319085 in words is "forty million, three hundred nineteen thousand, eighty-five".