40034161 has 8 divisors (see below), whose sum is σ = 41066784. Its totient is φ = 39006240.

The previous prime is 40034129. The next prime is 40034179. The reversal of 40034161 is 16143004.

It is a happy number.

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 40034161 - 2⁵ = 40034129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40034101) 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, 21510 + ... + 23296.

It is an arithmetic number, because the mean of its divisors is an integer number (5133348).

Almost surely, 2^40034161 is an apocalyptic number.

It is an amenable number.

40034161 is a deficient number, since it is larger than the sum of its proper divisors (1032623).

40034161 is a wasteful number, since it uses less digits than its factorization.

40034161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 40034161 is about 6327.2554081529. The cubic root of 40034161 is about 342.0925191138.

Adding to 40034161 its reverse (16143004), we get a palindrome (56177165).

The spelling of 40034161 in words is "forty million, thirty-four thousand, one hundred sixty-one".