40899686 has 8 divisors (see below), whose sum is σ = 63465120. Its totient is φ = 19744648.

The previous prime is 40899679. The next prime is 40899701. The reversal of 40899686 is 68699804.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352526 + ... + 352641.

It is an arithmetic number, because the mean of its divisors is an integer number (7933140).

Almost surely, 2^40899686 is an apocalyptic number.

40899686 is a deficient number, since it is larger than the sum of its proper divisors (22565434).

40899686 is a wasteful number, since it uses less digits than its factorization.

40899686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705198.

The product of its (nonzero) digits is 746496, while the sum is 50.

The square root of 40899686 is about 6395.2862328437. The cubic root of 40899686 is about 344.5402712297.

The spelling of 40899686 in words is "forty million, eight hundred ninety-nine thousand, six hundred eighty-six".