108688040 has 16 divisors (see below), whose sum is σ = 244548180. Its totient is φ = 43475200.

The previous prime is 108688039. The next prime is 108688051. The reversal of 108688040 is 40886801.

It can be written as a sum of positive squares in 2 ways, for example, as 88021924 + 20666116 = 9382^2 + 4546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358561 + ... + 1358640.

Almost surely, 2^108688040 is an apocalyptic number.

108688040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108688040 is an abundant number, since it is smaller than the sum of its proper divisors (135860140).

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

108688040 is a wasteful number, since it uses less digits than its factorization.

108688040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717212 (or 2717208 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 108688040 is about 10425.3556294258. The cubic root of 108688040 is about 477.2294676547.

The spelling of 108688040 in words is "one hundred eight million, six hundred eighty-eight thousand, forty".