40335738 has 8 divisors (see below), whose sum is σ = 80671488. Its totient is φ = 13445244.

The previous prime is 40335733. The next prime is 40335749. The reversal of 40335738 is 83753304.

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

40335738 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 40335699 and 40335708.

It is not an unprimeable number, because it can be changed into a prime (40335731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3361306 + ... + 3361317.

It is an arithmetic number, because the mean of its divisors is an integer number (10083936).

Almost surely, 2^40335738 is an apocalyptic number.

40335738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40335738 is a wasteful number, since it uses less digits than its factorization.

40335738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6722628.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 40335738 is about 6351.0422766661. The cubic root of 40335738 is about 342.9493645273.

The spelling of 40335738 in words is "forty million, three hundred thirty-five thousand, seven hundred thirty-eight".