40875618 has 32 divisors (see below), whose sum is σ = 95422464. Its totient is φ = 11429712.

The previous prime is 40875607. The next prime is 40875619. The reversal of 40875618 is 81657804.

It is a super-2 number, since 2×40875618² = 3341632293763848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40875619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8380 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (2981952).

Almost surely, 2^40875618 is an apocalyptic number.

40875618 is an abundant number, since it is smaller than the sum of its proper divisors (54546846).

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

40875618 is a wasteful number, since it uses less digits than its factorization.

40875618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 40875618 is about 6393.4042575141. The cubic root of 40875618 is about 344.4726747664.

The spelling of 40875618 in words is "forty million, eight hundred seventy-five thousand, six hundred eighteen".