40046105 has 16 divisors (see below), whose sum is σ = 54705024. Its totient is φ = 27857280.

The previous prime is 40046093. The next prime is 40046107. The reversal of 40046105 is 50164004.

It is a happy number.

It is not a de Polignac number, because 40046105 - 2⁸ = 40045849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40046107) 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 15 ways as a sum of consecutive naturals, for example, 14564 + ... + 17093.

It is an arithmetic number, because the mean of its divisors is an integer number (3419064).

Almost surely, 2^40046105 is an apocalyptic number.

It is an amenable number.

40046105 is a deficient number, since it is larger than the sum of its proper divisors (14658919).

40046105 is a wasteful number, since it uses less digits than its factorization.

40046105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31696.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 40046105 is about 6328.1991909231. The cubic root of 40046105 is about 342.1265362854.

The spelling of 40046105 in words is "forty million, forty-six thousand, one hundred five".