40618338 has 16 divisors (see below), whose sum is σ = 86015520. Its totient is φ = 12742976.

The previous prime is 40618327. The next prime is 40618363. The reversal of 40618338 is 83381604.

40618338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40618299 and 40618308.

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, 199008 + ... + 199211.

It is an arithmetic number, because the mean of its divisors is an integer number (5375970).

Almost surely, 2^40618338 is an apocalyptic number.

40618338 is an abundant number, since it is smaller than the sum of its proper divisors (45397182).

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

40618338 is a wasteful number, since it uses less digits than its factorization.

40618338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398241.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 40618338 is about 6373.2517602869. The cubic root of 40618338 is about 343.7484245437.

The spelling of 40618338 in words is "forty million, six hundred eighteen thousand, three hundred thirty-eight".