40085704 has 16 divisors (see below), whose sum is σ = 75463920. Its totient is φ = 19962000.

The previous prime is 40085701. The next prime is 40085707. The reversal of 40085704 is 40758004.

It is an interprime number because it is at equal distance from previous prime (40085701) and next prime (40085707).

It is not an unprimeable number, because it can be changed into a prime (40085701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7974 + ... + 11989.

It is an arithmetic number, because the mean of its divisors is an integer number (4716495).

Almost surely, 2^40085704 is an apocalyptic number.

It is an amenable number.

40085704 is a deficient number, since it is larger than the sum of its proper divisors (35378216).

40085704 is a wasteful number, since it uses less digits than its factorization.

40085704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20220 (or 20216 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40085704 is about 6331.3271910398. The cubic root of 40085704 is about 342.2392680614.

The spelling of 40085704 in words is "forty million, eighty-five thousand, seven hundred four".