40105029 has 16 divisors (see below), whose sum is σ = 56422080. Its totient is φ = 25269120.

The previous prime is 40105001. The next prime is 40105049. The reversal of 40105029 is 92050104.

40105029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40105029 - 2⁵ = 40104997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40104996 and 40105014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40105049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46369 + ... + 47225.

It is an arithmetic number, because the mean of its divisors is an integer number (3526380).

Almost surely, 2^40105029 is an apocalyptic number.

It is an amenable number.

40105029 is a deficient number, since it is larger than the sum of its proper divisors (16317051).

40105029 is a wasteful number, since it uses less digits than its factorization.

40105029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 40105029 is about 6332.8531484632. The cubic root of 40105029 is about 342.2942561716.

The spelling of 40105029 in words is "forty million, one hundred five thousand, twenty-nine".