40216852 has 24 divisors (see below), whose sum is σ = 78409800. Its totient is φ = 17920896.

The previous prime is 40216837. The next prime is 40216853. The reversal of 40216852 is 25861204.

It can be written as a sum of positive squares in 4 ways, for example, as 10666756 + 29550096 = 3266^2 + 5436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40216852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40216853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11827 + ... + 14842.

It is an arithmetic number, because the mean of its divisors is an integer number (3267075).

Almost surely, 2^40216852 is an apocalyptic number.

It is an amenable number.

40216852 is a deficient number, since it is larger than the sum of its proper divisors (38192948).

40216852 is a wasteful number, since it uses less digits than its factorization.

40216852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26715 (or 26713 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 40216852 is about 6341.6758037604. The cubic root of 40216852 is about 342.6120953705.

The spelling of 40216852 in words is "forty million, two hundred sixteen thousand, eight hundred fifty-two".