40529505 has 8 divisors (see below), whose sum is σ = 64847232. Its totient is φ = 21615728.

The previous prime is 40529497. The next prime is 40529509. The reversal of 40529505 is 50592504.

It is a happy number.

40529505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40529505 - 2³ = 40529497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40529509) 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 7 ways as a sum of consecutive naturals, for example, 1350969 + ... + 1350998.

It is an arithmetic number, because the mean of its divisors is an integer number (8105904).

Almost surely, 2^40529505 is an apocalyptic number.

It is an amenable number.

40529505 is a deficient number, since it is larger than the sum of its proper divisors (24317727).

40529505 is a wasteful number, since it uses less digits than its factorization.

40529505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701975.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 40529505 is about 6366.2787403632. The cubic root of 40529505 is about 343.4976470751.

The spelling of 40529505 in words is "forty million, five hundred twenty-nine thousand, five hundred five".