40889529 has 20 divisors (see below), whose sum is σ = 61441380. Its totient is φ = 27099360.

The previous prime is 40889521. The next prime is 40889533. The reversal of 40889529 is 92598804.

40889529 is a `hidden beast` number, since 40 + 8 + 89 + 529 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9753129 + 31136400 = 3123^2 + 5580^2 .

It is not a de Polignac number, because 40889529 - 2³ = 40889521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40889521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13267 + ... + 16055.

It is an arithmetic number, because the mean of its divisors is an integer number (3072069).

Almost surely, 2^40889529 is an apocalyptic number.

It is an amenable number.

40889529 is a deficient number, since it is larger than the sum of its proper divisors (20551851).

40889529 is a wasteful number, since it uses less digits than its factorization.

40889529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 2973 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 40889529 is about 6394.4920830352. The cubic root of 40889529 is about 344.5117479035.

The spelling of 40889529 in words is "forty million, eight hundred eighty-nine thousand, five hundred twenty-nine".