40478266 has 8 divisors (see below), whose sum is σ = 60746400. Its totient is φ = 20229468.

The previous prime is 40478213. The next prime is 40478293. The reversal of 40478266 is 66287404.

40478266 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 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 3 ways as a sum of consecutive naturals, for example, 2835 + ... + 9433.

It is an arithmetic number, because the mean of its divisors is an integer number (7593300).

Almost surely, 2^40478266 is an apocalyptic number.

40478266 is a deficient number, since it is larger than the sum of its proper divisors (20268134).

40478266 is a wasteful number, since it uses less digits than its factorization.

40478266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9668.

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 40478266 is about 6362.2532172179. The cubic root of 40478266 is about 343.3528316028.

The spelling of 40478266 in words is "forty million, four hundred seventy-eight thousand, two hundred sixty-six".