40075985 has 8 divisors (see below), whose sum is σ = 48154560. Its totient is φ = 32018544.

The previous prime is 40075979. The next prime is 40075991. The reversal of 40075985 is 58957004.

It is an interprime number because it is at equal distance from previous prime (40075979) and next prime (40075991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40075985 - 2¹⁰ = 40074961 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 755 + ... + 8984.

It is an arithmetic number, because the mean of its divisors is an integer number (6019320).

Almost surely, 2^40075985 is an apocalyptic number.

It is an amenable number.

40075985 is a deficient number, since it is larger than the sum of its proper divisors (8078575).

40075985 is an equidigital number, since it uses as much as digits as its factorization.

40075985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10567.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 40075985 is about 6330.5596119143. The cubic root of 40075985 is about 342.2116065598.

The spelling of 40075985 in words is "forty million, seventy-five thousand, nine hundred eighty-five".