40159535 has 16 divisors (see below), whose sum is σ = 52073280. Its totient is φ = 29556480.

The previous prime is 40159529. The next prime is 40159543. The reversal of 40159535 is 53595104.

40159535 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40159535 - 2¹² = 40155439 is a prime.

It is a super-2 number, since 2×40159535² = 3225576502832450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22475 + ... + 24195.

It is an arithmetic number, because the mean of its divisors is an integer number (3254580).

Almost surely, 2^40159535 is an apocalyptic number.

40159535 is a deficient number, since it is larger than the sum of its proper divisors (11913745).

40159535 is a wasteful number, since it uses less digits than its factorization.

40159535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098.

The product of its (nonzero) digits is 13500, while the sum is 32.

The square root of 40159535 is about 6337.1551188211. The cubic root of 40159535 is about 342.4492545629.

The spelling of 40159535 in words is "forty million, one hundred fifty-nine thousand, five hundred thirty-five".