40002235 has 16 divisors (see below), whose sum is σ = 59080896. Its totient is φ = 25319808.

The previous prime is 40002233. The next prime is 40002247. The reversal of 40002235 is 53220004.

40002235 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 40002235 - 2¹ = 40002233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40002233) 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 15 ways as a sum of consecutive naturals, for example, 43504 + ... + 44413.

It is an arithmetic number, because the mean of its divisors is an integer number (3692556).

Almost surely, 2^40002235 is an apocalyptic number.

40002235 is a deficient number, since it is larger than the sum of its proper divisors (19078661).

40002235 is a wasteful number, since it uses less digits than its factorization.

40002235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87942.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40002235 is about 6324.7320101329. The cubic root of 40002235 is about 342.0015588771.

Adding to 40002235 its reverse (53220004), we get a palindrome (93222239).

The spelling of 40002235 in words is "forty million, two thousand, two hundred thirty-five".