40529539 has 4 divisors (see below), whose sum is σ = 40559256. Its totient is φ = 40499824.

The previous prime is 40529509. The next prime is 40529543. The reversal of 40529539 is 93592504.

40529539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40529539 - 2²⁵ = 6975107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40529498 and 40529507.

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 3 ways as a sum of consecutive naturals, for example, 12709 + ... + 15574.

It is an arithmetic number, because the mean of its divisors is an integer number (10139814).

Almost surely, 2^40529539 is an apocalyptic number.

40529539 is a deficient number, since it is larger than the sum of its proper divisors (29717).

40529539 is a wasteful number, since it uses less digits than its factorization.

40529539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29716.

The product of its (nonzero) digits is 48600, while the sum is 37.

The square root of 40529539 is about 6366.2814106824. The cubic root of 40529539 is about 343.4977431279.

The spelling of 40529539 in words is "forty million, five hundred twenty-nine thousand, five hundred thirty-nine".