40818852 has 18 divisors (see below), whose sum is σ = 103181078. Its totient is φ = 13606272.

The previous prime is 40818839. The next prime is 40818857. The reversal of 40818852 is 25881804.

40818852 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39012516 + 1806336 = 6246^2 + 1344^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1133857 = 40818852 / (4 + 0 + 8 + 1 + 8 + 8 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (40818857) 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 5 ways as a sum of consecutive naturals, for example, 566893 + ... + 566964.

Almost surely, 2^40818852 is an apocalyptic number.

It is an amenable number.

40818852 is an abundant number, since it is smaller than the sum of its proper divisors (62362226).

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

40818852 is a wasteful number, since it uses less digits than its factorization.

40818852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133867 (or 1133862 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 36.

The square root of 40818852 is about 6388.9632961851. The cubic root of 40818852 is about 344.3131387901.

The spelling of 40818852 in words is "forty million, eight hundred eighteen thousand, eight hundred fifty-two".