40868198 has 8 divisors (see below), whose sum is σ = 70059792. Its totient is φ = 17514936.

The previous prime is 40868197. The next prime is 40868207. The reversal of 40868198 is 89186804.

It is a happy number.

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 (40868197) 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, 1459565 + ... + 1459592.

It is an arithmetic number, because the mean of its divisors is an integer number (8757474).

Almost surely, 2^40868198 is an apocalyptic number.

40868198 is a deficient number, since it is larger than the sum of its proper divisors (29191594).

40868198 is a wasteful number, since it uses less digits than its factorization.

40868198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919166.

The product of its (nonzero) digits is 110592, while the sum is 44.

The square root of 40868198 is about 6392.8239456441. The cubic root of 40868198 is about 344.4518298875.

The spelling of 40868198 in words is "forty million, eight hundred sixty-eight thousand, one hundred ninety-eight".