40535645 has 8 divisors (see below), whose sum is σ = 51203040. Its totient is φ = 30721680.

The previous prime is 40535639. The next prime is 40535653. The reversal of 40535645 is 54653504.

40535645 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 40535645 - 2⁴ = 40535629 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 213251 + ... + 213440.

It is an arithmetic number, because the mean of its divisors is an integer number (6400380).

Almost surely, 2^40535645 is an apocalyptic number.

It is an amenable number.

40535645 is a deficient number, since it is larger than the sum of its proper divisors (10667395).

40535645 is a wasteful number, since it uses less digits than its factorization.

40535645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426715.

The product of its (nonzero) digits is 36000, while the sum is 32.

The square root of 40535645 is about 6366.7609504363. The cubic root of 40535645 is about 343.5149922089.

The spelling of 40535645 in words is "forty million, five hundred thirty-five thousand, six hundred forty-five".