40544208 has 30 divisors (see below), whose sum is σ = 113467874. Its totient is φ = 13514688.

The previous prime is 40544197. The next prime is 40544209. The reversal of 40544208 is 80244504.

40544208 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., 34433424 + 6110784 = 5868^2 + 2472^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40544209) 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, 140635 + ... + 140922.

Almost surely, 2^40544208 is an apocalyptic number.

40544208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40544208 is an abundant number, since it is smaller than the sum of its proper divisors (72923666).

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

40544208 is a wasteful number, since it uses less digits than its factorization.

40544208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281571 (or 281562 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 40544208 is about 6367.4333918778. The cubic root of 40544208 is about 343.5391792487.

The spelling of 40544208 in words is "forty million, five hundred forty-four thousand, two hundred eight".