40678338 has 16 divisors (see below), whose sum is σ = 82691136. Its totient is φ = 13337040.

The previous prime is 40678327. The next prime is 40678349. The reversal of 40678338 is 83387604.

40678338 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 (40678327) and next prime (40678349).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40678296 and 40678305.

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 7 ways as a sum of consecutive naturals, for example, 55206 + ... + 55937.

It is an arithmetic number, because the mean of its divisors is an integer number (5168196).

Almost surely, 2^40678338 is an apocalyptic number.

40678338 is an abundant number, since it is smaller than the sum of its proper divisors (42012798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40678338 is a wasteful number, since it uses less digits than its factorization.

40678338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111209.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 40678338 is about 6377.9571964697. The cubic root of 40678338 is about 343.9175990213.

The spelling of 40678338 in words is "forty million, six hundred seventy-eight thousand, three hundred thirty-eight".