40038336 has 84 divisors (see below), whose sum is σ = 123613672. Its totient is φ = 12317184.

The previous prime is 40038283. The next prime is 40038337. The reversal of 40038336 is 63383004.

40038336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40038337) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4815 + ... + 10161.

Almost surely, 2^40038336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40038336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61806836).

40038336 is an abundant number, since it is smaller than the sum of its proper divisors (83575336).

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

40038336 is a wasteful number, since it uses less digits than its factorization.

40038336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378 (or 5365 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40038336 is about 6327.5853214319. The cubic root of 40038336 is about 342.1044105134.

The spelling of 40038336 in words is "forty million, thirty-eight thousand, three hundred thirty-six".