40168982 has 8 divisors (see below), whose sum is σ = 68861136. Its totient is φ = 17215272.

The previous prime is 40168981. The next prime is 40168987. The reversal of 40168982 is 28986104.

40168982 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 super-2 number, since 2×40168982² = 3227094229832648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40168981) 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, 1434593 + ... + 1434620.

It is an arithmetic number, because the mean of its divisors is an integer number (8607642).

Almost surely, 2^40168982 is an apocalyptic number.

40168982 is a deficient number, since it is larger than the sum of its proper divisors (28692154).

40168982 is a wasteful number, since it uses less digits than its factorization.

40168982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2869222.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 40168982 is about 6337.9004409978. The cubic root of 40168982 is about 342.4761046785.

The spelling of 40168982 in words is "forty million, one hundred sixty-eight thousand, nine hundred eighty-two".