40429065 has 16 divisors (see below), whose sum is σ = 65048256. Its totient is φ = 21441600.

The previous prime is 40429063. The next prime is 40429069. The reversal of 40429065 is 56092404.

It is not a de Polignac number, because 40429065 - 2¹ = 40429063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40429063) 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, 4731 + ... + 10160.

It is an arithmetic number, because the mean of its divisors is an integer number (4065516).

Almost surely, 2^40429065 is an apocalyptic number.

It is an amenable number.

40429065 is a deficient number, since it is larger than the sum of its proper divisors (24619191).

40429065 is a wasteful number, since it uses less digits than its factorization.

40429065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15080.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 40429065 is about 6358.3854082621. The cubic root of 40429065 is about 343.2136610180.

The spelling of 40429065 in words is "forty million, four hundred twenty-nine thousand, sixty-five".