40206208 has 64 divisors (see below), whose sum is σ = 95569920. Its totient is φ = 16473600.

The previous prime is 40206203. The next prime is 40206251. The reversal of 40206208 is 80260204.

40206208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40206203) 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 7 ways as a sum of consecutive naturals, for example, 19633 + ... + 21583.

It is an arithmetic number, because the mean of its divisors is an integer number (1493280).

Almost surely, 2^40206208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40206208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47784960).

40206208 is an abundant number, since it is smaller than the sum of its proper divisors (55363712).

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

40206208 is a wasteful number, since it uses less digits than its factorization.

40206208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1983 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 40206208 is about 6340.8365378710. The cubic root of 40206208 is about 342.5818668740.

The spelling of 40206208 in words is "forty million, two hundred six thousand, two hundred eight".