40206103236 has 72 divisors (see below), whose sum is σ = 109567460184. Its totient is φ = 12357826560.

The previous prime is 40206103229. The next prime is 40206103247. The reversal of 40206103236 is 63230160204.

40206103236 is a `hidden beast` number, since 4 + 0 + 20 + 610 + 3 + 23 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2591828100 + 37614275136 = 50910^2 + 193944^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 394740 + ... + 486036.

Almost surely, 2^40206103236 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 40206103236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54783730092).

40206103236 is an abundant number, since it is smaller than the sum of its proper divisors (69361356948).

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

40206103236 is a wasteful number, since it uses less digits than its factorization.

40206103236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92261 (or 92256 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The spelling of 40206103236 in words is "forty billion, two hundred six million, one hundred three thousand, two hundred thirty-six".