40839168 has 144 divisors (see below), whose sum is σ = 120687840. Its totient is φ = 12255232.

The previous prime is 40839143. The next prime is 40839179. The reversal of 40839168 is 86193804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1775605 + ... + 1775627.

It is an arithmetic number, because the mean of its divisors is an integer number (838110).

Almost surely, 2^40839168 is an apocalyptic number.

40839168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40839168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60343920).

40839168 is an abundant number, since it is smaller than the sum of its proper divisors (79848672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40839168 is a wasteful number, since it uses less digits than its factorization.

40839168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 45 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 40839168 is about 6390.5530277121. The cubic root of 40839168 is about 344.3702521515.

The spelling of 40839168 in words is "forty million, eight hundred thirty-nine thousand, one hundred sixty-eight".