40358128 has 20 divisors (see below), whose sum is σ = 82309960. Its totient is φ = 19116864.

The previous prime is 40358099. The next prime is 40358161. The reversal of 40358128 is 82185304.

40358128 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 40358128.

It is a congruent number.

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, 66075 + ... + 66682.

It is an arithmetic number, because the mean of its divisors is an integer number (4115498).

Almost surely, 2^40358128 is an apocalyptic number.

It is an amenable number.

40358128 is an abundant number, since it is smaller than the sum of its proper divisors (41951832).

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

40358128 is a wasteful number, since it uses less digits than its factorization.

40358128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132784 (or 132778 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 40358128 is about 6352.8047349183. The cubic root of 40358128 is about 343.0128088103.

The spelling of 40358128 in words is "forty million, three hundred fifty-eight thousand, one hundred twenty-eight".