40084165 has 16 divisors (see below), whose sum is σ = 53467776. Its totient is φ = 28600000.

The previous prime is 40084139. The next prime is 40084169. The reversal of 40084165 is 56148004.

It is not a de Polignac number, because 40084165 - 2²³ = 31695557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40084169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3961 + ... + 9790.

It is an arithmetic number, because the mean of its divisors is an integer number (3341736).

Almost surely, 2^40084165 is an apocalyptic number.

It is an amenable number.

40084165 is a deficient number, since it is larger than the sum of its proper divisors (13383611).

40084165 is a wasteful number, since it uses less digits than its factorization.

40084165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13820.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40084165 is about 6331.2056513748. The cubic root of 40084165 is about 342.2348881710.

The spelling of 40084165 in words is "forty million, eighty-four thousand, one hundred sixty-five".