40489529 has 4 divisors (see below), whose sum is σ = 42871284. Its totient is φ = 38107776.

The previous prime is 40489483. The next prime is 40489541. The reversal of 40489529 is 92598404.

40489529 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 can be written as a sum of positive squares in 2 ways, for example, as 36966400 + 3523129 = 6080^2 + 1877^2 .

It is a cyclic number.

It is not a de Polignac number, because 40489529 - 2¹⁶ = 40423993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40489129) 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, 1190852 + ... + 1190885.

It is an arithmetic number, because the mean of its divisors is an integer number (10717821).

Almost surely, 2^40489529 is an apocalyptic number.

It is an amenable number.

40489529 is a deficient number, since it is larger than the sum of its proper divisors (2381755).

40489529 is a wasteful number, since it uses less digits than its factorization.

40489529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381754.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 40489529 is about 6363.1382980413. The cubic root of 40489529 is about 343.3846744056.

The spelling of 40489529 in words is "forty million, four hundred eighty-nine thousand, five hundred twenty-nine".