108855840 has 48 divisors (see below), whose sum is σ = 342897408. Its totient is φ = 29028096.

The previous prime is 108855839. The next prime is 108855847. The reversal of 108855840 is 48558801.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (108855847) 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, 112912 + ... + 113871.

It is an arithmetic number, because the mean of its divisors is an integer number (7143696).

Almost surely, 2^108855840 is an apocalyptic number.

108855840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108855840 is an abundant number, since it is smaller than the sum of its proper divisors (234041568).

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

108855840 is a wasteful number, since it uses less digits than its factorization.

108855840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226801 (or 226793 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 39.

The square root of 108855840 is about 10433.4002127782. The cubic root of 108855840 is about 477.4749344956.

The spelling of 108855840 in words is "one hundred eight million, eight hundred fifty-five thousand, eight hundred forty".