40084161 has 8 divisors (see below), whose sum is σ = 57556800. Its totient is φ = 24667152.

The previous prime is 40084139. The next prime is 40084169. The reversal of 40084161 is 16148004.

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

It is not a de Polignac number, because 40084161 - 2⁶ = 40084097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40084169) 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 7 ways as a sum of consecutive naturals, for example, 513861 + ... + 513938.

It is an arithmetic number, because the mean of its divisors is an integer number (7194600).

Almost surely, 2^40084161 is an apocalyptic number.

It is an amenable number.

40084161 is a deficient number, since it is larger than the sum of its proper divisors (17472639).

40084161 is a wasteful number, since it uses less digits than its factorization.

40084161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027815.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 40084161 is about 6331.2053354792. The cubic root of 40084161 is about 342.2348767871.

The spelling of 40084161 in words is "forty million, eighty-four thousand, one hundred sixty-one".