40124165 has 16 divisors (see below), whose sum is σ = 51487488. Its totient is φ = 29911296.

The previous prime is 40124129. The next prime is 40124191. The reversal of 40124165 is 56142104.

It is not a de Polignac number, because 40124165 - 2¹⁰ = 40123141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40124165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6464 + ... + 11046.

It is an arithmetic number, because the mean of its divisors is an integer number (3217968).

Almost surely, 2^40124165 is an apocalyptic number.

It is an amenable number.

40124165 is a deficient number, since it is larger than the sum of its proper divisors (11363323).

40124165 is a wasteful number, since it uses less digits than its factorization.

40124165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 40124165 is about 6334.3638196744. The cubic root of 40124165 is about 342.3486890905.

Adding to 40124165 its reverse (56142104), we get a palindrome (96266269).

The spelling of 40124165 in words is "forty million, one hundred twenty-four thousand, one hundred sixty-five".