40085089 has 8 divisors (see below), whose sum is σ = 44139168. Its totient is φ = 36099360.

The previous prime is 40085069. The next prime is 40085107. The reversal of 40085089 is 98058004.

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

It is a de Polignac number, because none of the positive numbers 2^k-40085089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40085069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15852 + ... + 18205.

It is an arithmetic number, because the mean of its divisors is an integer number (5517396).

Almost surely, 2^40085089 is an apocalyptic number.

It is an amenable number.

40085089 is a deficient number, since it is larger than the sum of its proper divisors (4054079).

40085089 is a wasteful number, since it uses less digits than its factorization.

40085089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34175.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 40085089 is about 6331.2786228376. The cubic root of 40085089 is about 342.2375178263.

The spelling of 40085089 in words is "forty million, eighty-five thousand, eighty-nine".