40206286 has 4 divisors (see below), whose sum is σ = 60309432. Its totient is φ = 20103142.

The previous prime is 40206269. The next prime is 40206289. The reversal of 40206286 is 68260204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40206289) by changing a digit.

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 as a sum of consecutive naturals, namely, 10051570 + ... + 10051573.

It is an arithmetic number, because the mean of its divisors is an integer number (15077358).

Almost surely, 2^40206286 is an apocalyptic number.

40206286 is a deficient number, since it is larger than the sum of its proper divisors (20103146).

40206286 is a wasteful number, since it uses less digits than its factorization.

40206286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20103145.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40206286 is about 6340.8426884760. The cubic root of 40206286 is about 342.5820884100.

The spelling of 40206286 in words is "forty million, two hundred six thousand, two hundred eighty-six".