40329506 has 16 divisors (see below), whose sum is σ = 69330624. Its totient is φ = 17235504.

The previous prime is 40329503. The next prime is 40329521. The reversal of 40329506 is 60592304.

It is not an unprimeable number, because it can be changed into a prime (40329503) 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 7 ways as a sum of consecutive naturals, for example, 1361 + ... + 9083.

It is an arithmetic number, because the mean of its divisors is an integer number (4333164).

Almost surely, 2^40329506 is an apocalyptic number.

40329506 is a deficient number, since it is larger than the sum of its proper divisors (29001118).

40329506 is a wasteful number, since it uses less digits than its factorization.

40329506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 40329506 is about 6350.5516295831. The cubic root of 40329506 is about 342.9317013612.

The spelling of 40329506 in words is "forty million, three hundred twenty-nine thousand, five hundred six".