40333641 has 8 divisors (see below), whose sum is σ = 53808480. Its totient is φ = 26873952.

The previous prime is 40333633. The next prime is 40333649. The reversal of 40333641 is 14633304.

40333641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40333633) and next prime (40333649).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40333641 - 2³ = 40333633 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40333649) 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, 6165 + ... + 10893.

It is an arithmetic number, because the mean of its divisors is an integer number (6726060).

Almost surely, 2^40333641 is an apocalyptic number.

It is an amenable number.

40333641 is a deficient number, since it is larger than the sum of its proper divisors (13474839).

40333641 is a wasteful number, since it uses less digits than its factorization.

40333641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7575.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 40333641 is about 6350.8771835078. The cubic root of 40333641 is about 342.9434212678.

Adding to 40333641 its reverse (14633304), we get a palindrome (54966945).

The spelling of 40333641 in words is "forty million, three hundred thirty-three thousand, six hundred forty-one".