168044240 has 160 divisors (see below), whose sum is σ = 493468416. Its totient is φ = 51793920.

The previous prime is 168044237. The next prime is 168044257. The reversal of 168044240 is 42440861.

168044240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298199 + ... + 298761.

Almost surely, 2^168044240 is an apocalyptic number.

168044240 is a gapful number since it is divisible by the number (10) 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 168044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246734208).

168044240 is an abundant number, since it is smaller than the sum of its proper divisors (325424176).

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

168044240 is a wasteful number, since it uses less digits than its factorization.

168044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 631 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 168044240 is about 12963.1878795303. The cubic root of 168044240 is about 551.8332654720.

The spelling of 168044240 in words is "one hundred sixty-eight million, forty-four thousand, two hundred forty".