40368388 has 12 divisors (see below), whose sum is σ = 74362960. Its totient is φ = 19121832.

The previous prime is 40368373. The next prime is 40368401. The reversal of 40368388 is 88386304.

It is a happy number.

40368388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40368388.

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 3 ways as a sum of consecutive naturals, for example, 265506 + ... + 265657.

Almost surely, 2^40368388 is an apocalyptic number.

It is an amenable number.

40368388 is a deficient number, since it is larger than the sum of its proper divisors (33994572).

40368388 is a wasteful number, since it uses less digits than its factorization.

40368388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531186 (or 531184 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 40368388 is about 6353.6122009452. The cubic root of 40368388 is about 343.0418736968.

The spelling of 40368388 in words is "forty million, three hundred sixty-eight thousand, three hundred eighty-eight".