40302689 has 8 divisors (see below), whose sum is σ = 46166400. Its totient is φ = 34465536.

The previous prime is 40302677. The next prime is 40302701. The reversal of 40302689 is 98620304.

40302689 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 (40302677) and next prime (40302701).

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

It is not a de Polignac number, because 40302689 - 2⁴ = 40302673 is a prime.

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, 3269 + ... + 9554.

It is an arithmetic number, because the mean of its divisors is an integer number (5770800).

Almost surely, 2^40302689 is an apocalyptic number.

It is an amenable number.

40302689 is a deficient number, since it is larger than the sum of its proper divisors (5863711).

40302689 is a wasteful number, since it uses less digits than its factorization.

40302689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13279.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40302689 is about 6348.4398870904. The cubic root of 40302689 is about 342.8556739934.

The spelling of 40302689 in words is "forty million, three hundred two thousand, six hundred eighty-nine".