40035641 has 8 divisors (see below), whose sum is σ = 42300480. Its totient is φ = 37786608.

The previous prime is 40035637. The next prime is 40035659. The reversal of 40035641 is 14653004.

It is a happy number.

40035641 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 a cyclic number.

It is not a de Polignac number, because 40035641 - 2² = 40035637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40035661) 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, 1460 + ... + 9066.

It is an arithmetic number, because the mean of its divisors is an integer number (5287560).

Almost surely, 2^40035641 is an apocalyptic number.

It is an amenable number.

40035641 is a deficient number, since it is larger than the sum of its proper divisors (2264839).

40035641 is a wasteful number, since it uses less digits than its factorization.

40035641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7903.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40035641 is about 6327.3723614151. The cubic root of 40035641 is about 342.0967346027.

Adding to 40035641 its reverse (14653004), we get a palindrome (54688645).

The spelling of 40035641 in words is "forty million, thirty-five thousand, six hundred forty-one".