40302641 has 8 divisors (see below), whose sum is σ = 41543040. Its totient is φ = 39078288.

The previous prime is 40302637. The next prime is 40302649. The reversal of 40302641 is 14620304.

It is a happy number.

40302641 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 40302641 - 2² = 40302637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40302649) 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, 1190 + ... + 9056.

It is an arithmetic number, because the mean of its divisors is an integer number (5192880).

Almost surely, 2^40302641 is an apocalyptic number.

It is an amenable number.

40302641 is a deficient number, since it is larger than the sum of its proper divisors (1240399).

40302641 is a wasteful number, since it uses less digits than its factorization.

40302641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8023.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40302641 is about 6348.4361066329. The cubic root of 40302641 is about 342.8555378810.

Adding to 40302641 its reverse (14620304), we get a palindrome (54922945).

The spelling of 40302641 in words is "forty million, three hundred two thousand, six hundred forty-one".