40949686 has 8 divisors (see below), whose sum is σ = 61468344. Its totient is φ = 20460240.

The previous prime is 40949669. The next prime is 40949687. The reversal of 40949686 is 68694904.

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 (40949687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3375 + ... + 9658.

It is an arithmetic number, because the mean of its divisors is an integer number (7683543).

Almost surely, 2^40949686 is an apocalyptic number.

40949686 is a deficient number, since it is larger than the sum of its proper divisors (20518658).

40949686 is a wasteful number, since it uses less digits than its factorization.

40949686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14606.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 40949686 is about 6399.1941680183. The cubic root of 40949686 is about 344.6806145916.

The spelling of 40949686 in words is "forty million, nine hundred forty-nine thousand, six hundred eighty-six".