40089886 has 16 divisors (see below), whose sum is σ = 63423360. Its totient is φ = 18952920.

The previous prime is 40089883. The next prime is 40089887. The reversal of 40089886 is 68898004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40089883) 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, 36201 + ... + 37291.

It is an arithmetic number, because the mean of its divisors is an integer number (3963960).

Almost surely, 2^40089886 is an apocalyptic number.

40089886 is a deficient number, since it is larger than the sum of its proper divisors (23333474).

40089886 is a wasteful number, since it uses less digits than its factorization.

40089886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 40089886 is about 6331.6574449349. The cubic root of 40089886 is about 342.2511691858.

The spelling of 40089886 in words is "forty million, eighty-nine thousand, eight hundred eighty-six".