40168835 has 16 divisors (see below), whose sum is σ = 55290816. Its totient is φ = 27443328.

The previous prime is 40168819. The next prime is 40168861. The reversal of 40168835 is 53886104.

40168835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40168835 - 2⁴ = 40168819 is a prime.

It is a super-2 number, since 2×40168835² = 3227070610514450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 40168795 and 40168804.

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 15 ways as a sum of consecutive naturals, for example, 8297 + ... + 12213.

It is an arithmetic number, because the mean of its divisors is an integer number (3455676).

Almost surely, 2^40168835 is an apocalyptic number.

40168835 is a deficient number, since it is larger than the sum of its proper divisors (15121981).

40168835 is a wasteful number, since it uses less digits than its factorization.

40168835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4222.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 40168835 is about 6337.8888440868. Note that the first 4 decimals coincide. The cubic root of 40168835 is about 342.4756869096.

The spelling of 40168835 in words is "forty million, one hundred sixty-eight thousand, eight hundred thirty-five".