40169589 has 8 divisors (see below), whose sum is σ = 56710080. Its totient is φ = 25204416.

The previous prime is 40169581. The next prime is 40169603. The reversal of 40169589 is 98596104.

40169589 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 not a de Polignac number, because 40169589 - 2³ = 40169581 is a prime.

It is a super-2 number, since 2×40169589² = 3227191760857842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40169589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40169581) 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, 393769 + ... + 393870.

It is an arithmetic number, because the mean of its divisors is an integer number (7088760).

Almost surely, 2^40169589 is an apocalyptic number.

It is an amenable number.

40169589 is a deficient number, since it is larger than the sum of its proper divisors (16540491).

40169589 is a wasteful number, since it uses less digits than its factorization.

40169589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787659.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 40169589 is about 6337.9483273375. The cubic root of 40169589 is about 342.4778297405.

The spelling of 40169589 in words is "forty million, one hundred sixty-nine thousand, five hundred eighty-nine".