108818840 has 32 divisors (see below), whose sum is σ = 263677680. Its totient is φ = 40179072.

The previous prime is 108818821. The next prime is 108818849. The reversal of 108818840 is 48818801.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 108818794 and 108818803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108818849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104114 + ... + 105153.

Almost surely, 2^108818840 is an apocalyptic number.

108818840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108818840 is an abundant number, since it is smaller than the sum of its proper divisors (154858840).

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

108818840 is a wasteful number, since it uses less digits than its factorization.

108818840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209291 (or 209287 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 38.

The square root of 108818840 is about 10431.6269105063. The cubic root of 108818840 is about 477.4208306013.

The spelling of 108818840 in words is "one hundred eight million, eight hundred eighteen thousand, eight hundred forty".