40338336 has 24 divisors (see below), whose sum is σ = 105888384. Its totient is φ = 13446080.

The previous prime is 40338313. The next prime is 40338341. The reversal of 40338336 is 63383304.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210000 + ... + 210191.

It is an arithmetic number, because the mean of its divisors is an integer number (4412016).

Almost surely, 2^40338336 is an apocalyptic number.

It is an amenable number.

40338336 is an abundant number, since it is smaller than the sum of its proper divisors (65550048).

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

40338336 is a wasteful number, since it uses less digits than its factorization.

40338336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420204 (or 420196 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 40338336 is about 6351.2468067302. The cubic root of 40338336 is about 342.9567274216.

The spelling of 40338336 in words is "forty million, three hundred thirty-eight thousand, three hundred thirty-six".