40686862 has 8 divisors (see below), whose sum is σ = 63683856. Its totient is φ = 19458912.

The previous prime is 40686853. The next prime is 40686869. The reversal of 40686862 is 26868604.

40686862 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40686869) 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 3 ways as a sum of consecutive naturals, for example, 442203 + ... + 442294.

It is an arithmetic number, because the mean of its divisors is an integer number (7960482).

Almost surely, 2^40686862 is an apocalyptic number.

40686862 is a deficient number, since it is larger than the sum of its proper divisors (22996994).

40686862 is a wasteful number, since it uses less digits than its factorization.

40686862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884522.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 40686862 is about 6378.6254005075. The cubic root of 40686862 is about 343.9416195772.

The spelling of 40686862 in words is "forty million, six hundred eighty-six thousand, eight hundred sixty-two".