40089735 has 80 divisors (see below), whose sum is σ = 83635200. Its totient is φ = 17993664.

The previous prime is 40089719. The next prime is 40089737. The reversal of 40089735 is 53798004.

40089735 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 40089735 - 2⁴ = 40089719 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40089735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40089737) 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 79 ways as a sum of consecutive naturals, for example, 223876 + ... + 224054.

It is an arithmetic number, because the mean of its divisors is an integer number (1045440).

Almost surely, 2^40089735 is an apocalyptic number.

40089735 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40089735 is an abundant number, since it is smaller than the sum of its proper divisors (43545465).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40089735 is a wasteful number, since it uses less digits than its factorization.

40089735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40089735 is about 6331.6455207158. The cubic root of 40089735 is about 342.2507394849.

The spelling of 40089735 in words is "forty million, eighty-nine thousand, seven hundred thirty-five".